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78 vulnerabilities by Getgrav
CVE-2026-42844 (GCVE-0-2026-42844)
Vulnerability from cvelistv5 – Published: 2026-05-12 21:43 – Updated: 2026-05-13 14:28
VLAI
Title
Grav: Low-privileged API users can create super-admin accounts via blueprint-upload
Summary
Grav is a file-based Web platform. In Grav 2.0.0-beta.2, a low-privileged authenticated API user with api.media.write can abuse /api/v1/blueprint-upload to write an arbitrary YAML file into user/accounts/, then log in as the newly created account with api.super privileges. This results in full administrative compromise of the Grav API. This vulnerability is fixed in API 1.0.0-beta.17.
Severity
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
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CVE-2026-42843 (GCVE-0-2026-42843)
Vulnerability from cvelistv5 – Published: 2026-05-11 15:54 – Updated: 2026-05-11 19:06
VLAI
Title
grav-plugin-api: Grav API Privilege Escalation to Super Admin
Summary
Grav API Plugin is a RESTful API for Grav CMS that provides full headless access to your site's content, media, configuration, users, and system management. Prior to 1.0.0-beta.15, an insecure direct object reference and logic flaw in the Grav API plugin (UsersController::update) allows any authenticated user with basic API access (api.access) to modify their own permission configuration. An attacker can exploit this to escalate their privileges to Super Administrator (admin.super and api.super), leading to full system compromise and potential RCE. This vulnerability is fixed in 1.0.0-beta.15.
Severity
8.8 (High)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| getgrav | grav-plugin-api |
Affected:
< 1.0.0-beta.15
|
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CVE-2026-44737 (GCVE-0-2026-44737)
Vulnerability from cvelistv5 – Published: 2026-05-11 15:52 – Updated: 2026-05-11 18:35
VLAI
Title
grav-plugin-admin: Stored Cross-Site Scripting (XSS) Reflected endpoint /admin/pages/[page], parameter data[header][title]
Summary
grav-plugin-admin is the admin plugin for Grav is an HTML user interface that provides a convenient way to configure Grav and easily create and modify pages. Prior to 1.10.49.5, the application fails to properly validate and sanitize user input in the data[header][title] parameter. As a result, attackers can craft a malicious URL with an XSS payload. When this URL is accessed, the injected script is reflected back in the HTTP response and executed within the context of the victim's browser session. This vulnerability is fixed in 1.10.49.5.
Severity
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav-plugin-admin/comm… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| getgrav | grav-plugin-admin |
Affected:
< 1.10.49.5
|
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CVE-2026-44738 (GCVE-0-2026-44738)
Vulnerability from cvelistv5 – Published: 2026-05-11 15:47 – Updated: 2026-05-14 18:06
VLAI
Title
Grav: Twig sandbox allows editor-role users to exfiltrate all plugin secrets via Config::toArray()
Summary
Grav is a file-based Web platform. Prior to 2.0.0-rc.2, the Twig sandbox allow-list permits any user with the admin.pages role to call config.toArray() from within a page body, dumping the entire merged site configuration — including all plugin secrets (SMTP passwords, AWS keys, OAuth client secrets, API tokens) — into the rendered HTML. No administrator privileges are required. This vulnerability is fixed in 2.0.0-rc.2.
Severity
7.7 (High)
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
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CVE-2026-42845 (GCVE-0-2026-42845)
Vulnerability from cvelistv5 – Published: 2026-05-11 15:44 – Updated: 2026-05-12 13:49
VLAI
Title
Grav: Anonymous Page Content Overwrite via Form File Upload filename Override
Summary
The form plugin for Grav adds the ability to create and use forms. Prior to 9.1.0 , there is an unauthenticated page-content overwrite via file upload (GHSA-w4rc-p66m-x6qq). Public form uploads now strip path components from the POST-supplied filename and hard-block page-content extensions (`md`, `yaml`, `yml`, `json`, `twig`, `ini`) regardless of the configurable dangerous-extensions list. A permissive `accept` policy combined with the default `destination: self@` could otherwise let an attacker overwrite the page's own `.md` and pivot to super-admin via a `process: save` action. This vulnerability is fixed in 9.1.0.
Severity
CWE
- CWE-73 - External Control of File Name or Path
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav-plugin-form/commi… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| getgrav | grav-plugin-form |
Affected:
< 9.1.0
|
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CVE-2026-42842 (GCVE-0-2026-42842)
Vulnerability from cvelistv5 – Published: 2026-05-11 15:29 – Updated: 2026-05-11 18:25
VLAI
Title
grav-plugin-form: XSS via Taxonomy Field Values in Admin Panel
Summary
The form plugin for Grav adds the ability to create and use forms. Prior to 9.1.0, a Stored Cross-Site Scripting (XSS) vulnerability exists in the Grav CMS Form plugin's select field template. Taxonomy tag and category values are rendered with the Twig |raw filter in the admin panel, bypassing the global autoescape protection. An editor-level user can inject arbitrary JavaScript that executes in any administrator's browser session when they view or edit any page in the admin panel. This vulnerability is fixed in 9.1.0.
Severity
5.4 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav-plugin-form/commi… | x_refsource_MISC |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| getgrav | grav |
Affected:
< 2.0.0-beta.2
|
|
| getgrav | grav-plugin-form |
Affected:
< 9.1.0
|
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CVE-2026-42613 (GCVE-0-2026-42613)
Vulnerability from cvelistv5 – Published: 2026-05-11 15:24 – Updated: 2026-05-12 13:48
VLAI
Title
Grav: Privilege Escalation via Missing Server-Side Validation of groups/access
Summary
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, the Login::register() method in the Login plugin accepts attacker-controlled groups and access fields from the registration POST data without server-side validation. When registration is enabled and groups or access are included in the configured allowed fields list, an unauthenticated user can self-register with admin.super privileges by injecting these fields into the registration request. This vulnerability is fixed in 2.0.0-beta.2.
Severity
9.4 (Critical)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav-plugin-login/comm… | x_refsource_MISC |
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CVE-2026-42612 (GCVE-0-2026-42612)
Vulnerability from cvelistv5 – Published: 2026-05-11 15:22 – Updated: 2026-05-11 19:07
VLAI
Title
Grav: Publisher-Level Stored XSS via Unquoted Event Attributes
Summary
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a stored Cross-Site Scripting (XSS) vulnerability in getgrav/grav allows publisher-level accounts to execute arbitrary JavaScript. The issue arises from a blacklist bypass in the detectXss() function when handling unquoted HTML event attributes. This vulnerability is fixed in 2.0.0-beta.2.
Severity
8.5 (High)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav/commit/5a12f9be83… | x_refsource_MISC |
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CVE-2026-42611 (GCVE-0-2026-42611)
Vulnerability from cvelistv5 – Published: 2026-05-11 15:20 – Updated: 2026-05-11 18:23
VLAI
Title
Grav: Stored XSS via Tag Injection
Summary
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a low-privileged (with the ability to create a page) user can cause XSS with the injection of svg element. The XSS can further be escalated to dump the entire system information available under /admin/config/info whenever a Super Admin visits the page; which can further be chained with the use of admin-nonce to do a complete server compromise (RCE). This vulnerability is fixed in 2.0.0-beta.2.
Severity
8.9 (High)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav/commit/5a12f9be83… | x_refsource_MISC |
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CVE-2026-42610 (GCVE-0-2026-42610)
Vulnerability from cvelistv5 – Published: 2026-05-11 15:19 – Updated: 2026-05-11 15:50
VLAI
Title
Grav: Sensitive Information Disclosure via Accounts Service Bypass
Summary
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a low-privileged user (EX: Content Editor with only pages.update permissions) can bypass the existing Twig sandbox restrictions by utilizing the grav['accounts'] service. Attacker can programmatically load administrative user objects and extract sensitive data, including Bcrypt password hashes and the security salt. This vulnerability is fixed in 2.0.0-beta.2.
Severity
6.5 (Medium)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav/commit/c66dfeb5ff… | x_refsource_MISC |
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CVE-2026-42609 (GCVE-0-2026-42609)
Vulnerability from cvelistv5 – Published: 2026-05-11 15:03 – Updated: 2026-05-14 17:56
VLAI
Title
Grav: Administrative Account Disruption and Privilege De-escalation via User Overwrite Logic
Summary
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a business logic vulnerability in the Grav Admin Panel allows a low-privileged user (with only user creation permissions) to overwrite existing accounts, including the primary administrator. By creating a new user with a username that already exists, the system updates the existing account's metadata and permissions instead of rejecting the request. This leads to a Denial of Service (DoS) on administrative functions and Privilege De-escalation of the root account. This vulnerability is fixed in 2.0.0-beta.2.
Severity
8.1 (High)
CWE
Assigner
References
4 references
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|---|---|
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CVE-2026-42608 (GCVE-0-2026-42608)
Vulnerability from cvelistv5 – Published: 2026-05-11 15:02 – Updated: 2026-05-11 16:07
VLAI
Title
Grav: Unauthenticated Path Traversal & Arbitrary File Write in FormFlash component.
Summary
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, there is a Path Traversal vulnerability within the FormFlash core component. By manipulating the session_id (passed as __form-flash-id in POST requests), an unauthenticated attacker can traverse the filesystem to create arbitrary directories and write an index.yaml file containing attacker-controlled data. This vulnerability can lead to unauthorized modification of application behavior, potential data integrity issues, and service disruption in production environments. This vulnerability is fixed in 2.0.0-beta.2.
Severity
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
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CVE-2026-42607 (GCVE-0-2026-42607)
Vulnerability from cvelistv5 – Published: 2026-05-11 14:58 – Updated: 2026-05-12 13:46
VLAI
Title
Grav: Remote Code Execution (RCE) via Malicious Plugin ZIP Upload in Direct Install Feature
Summary
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, an authenticated user with administrative privileges can achieve Remote Code Execution (RCE) by uploading a specially crafted ZIP file through the "Direct Install" tool. While the system attempts to block direct .php file uploads, it fails to inspect the contents of uploaded ZIP archives. Once a malicious plugin is extracted, it can execute arbitrary PHP code or drop a persistent web shell on the server. This vulnerability is fixed in 2.0.0-beta.2.
Severity
9.1 (Critical)
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav/commit/5a12f9be83… | x_refsource_MISC |
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CVE-2026-42841 (GCVE-0-2026-42841)
Vulnerability from cvelistv5 – Published: 2026-05-11 14:52 – Updated: 2026-05-11 16:19
VLAI
Title
Grav: Stored XSS via Markdown media attribute() action in Grav CMS
Summary
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, an authenticated user with page editing permissions can inject an executable JavaScript event-handler attribute into rendered image HTML through Grav's Markdown media action syntax. The issue is caused by Markdown image query parameters being converted into callable media actions. The public attribute() media method can be reached this way, allowing an editor to set an arbitrary HTML attribute name and value on the generated image element. This vulnerability is fixed in 2.0.0-beta.2.
Severity
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
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CVE-2026-29924 (GCVE-0-2026-29924)
Vulnerability from cvelistv5 – Published: 2026-03-30 00:00 – Updated: 2026-03-30 19:20
VLAI
Summary
Grav CMS v1.7.x and before is vulnerable to XML External Entity (XXE) through the SVG file upload functionality in the admin panel and File Manager plugin.
Severity
7.6 (High)
CWE
- n/a
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav |
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CVE-2020-36955 (GCVE-0-2020-36955)
Vulnerability from cvelistv5 – Published: 2026-01-26 17:42 – Updated: 2026-03-05 01:27
VLAI
Title
Grav CMS 1.6.30 Admin Plugin 1.9.18 - 'Page Title' Persistent Cross-Site Scripting
Summary
Grav CMS 1.6.30 with Admin Plugin 1.9.18 contains a persistent cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts through the page title field. Attackers can create a new page with a malicious script in the title, which will be executed when the page is viewed in the admin panel or on the site.
Severity
6.4 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/49264 | exploit |
| https://getgrav.org/ | product |
| https://www.vulncheck.com/advisories/grav-cms-adm… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Getgrav | Grav CMS Admin Plugin |
Affected:
0 , ≤ 1.9.18
(semver)
|
Date Public
2020-12-13 00:00
Credits
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CVE-2021-47812 (GCVE-0-2021-47812)
Vulnerability from cvelistv5 – Published: 2026-01-15 23:25 – Updated: 2026-04-07 14:06
VLAI
Title
GravCMS 1.10.7 - Arbitrary YAML Write/Update (Unauthenticated) (2)
Summary
GravCMS 1.10.7 contains an unauthenticated vulnerability that allows remote attackers to write arbitrary YAML configuration and execute PHP code through the scheduler endpoint. Attackers can exploit the admin-nonce parameter to inject base64-encoded payloads and create malicious custom jobs with system command execution.
Severity
9.8 (Critical)
CWE
- CWE-862 - Missing Authorization
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/49973 | exploit |
| https://getgrav.org | product |
| https://www.vulncheck.com/advisories/gravcms-arbi… | third-party-advisory |
Date Public
2021-06-09 00:00
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CVE-2025-66844 (GCVE-0-2025-66844)
Vulnerability from cvelistv5 – Published: 2025-12-15 00:00 – Updated: 2025-12-16 15:37
VLAI
Summary
In grav <1.7.49.5, a SSRF (Server-Side Request Forgery) vector may be triggered via Twig templates when page content is processed by Twig and the configuration allows undefined PHP functions to be registered
Severity
9.1 (Critical)
CWE
- n/a
Assigner
References
1 reference
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CVE-2025-66843 (GCVE-0-2025-66843)
Vulnerability from cvelistv5 – Published: 2025-12-15 00:00 – Updated: 2025-12-16 17:33
VLAI
Summary
grav before v1.7.49.5 has a Stored Cross-Site Scripting (Stored XSS) vulnerability in the page editing functionality. An authenticated low-privileged user with permission to edit content can inject malicious JavaScript payloads into editable fields. The payload is stored on the server and later executed when any other user views or edits the affected page.
Severity
5.4 (Medium)
CWE
- n/a
Assigner
References
1 reference
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CVE-2025-65186 (GCVE-0-2025-65186)
Vulnerability from cvelistv5 – Published: 2025-12-02 00:00 – Updated: 2025-12-02 19:31
VLAI
Summary
Grav CMS 1.7.49 is vulnerable to Cross Site Scripting (XSS). The page editor allows authenticated users to edit page content via a Markdown editor. The editor fails to properly sanitize <script> tags, allowing stored XSS payloads to execute when pages are viewed in the admin interface.
Severity
6.1 (Medium)
CWE
- n/a
Assigner
References
2 references
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CVE-2025-66312 (GCVE-0-2025-66312)
Vulnerability from cvelistv5 – Published: 2025-12-01 22:06 – Updated: 2025-12-02 14:36
VLAI
Title
Grav Admin Plugin vulnerable to Cross-Site Scripting (XSS) Stored endpoint `/admin/accounts/groups/[group]` parameter `data[readableName]`
Summary
This admin plugin for Grav is an HTML user interface that provides a convenient way to configure Grav and easily create and modify pages. Prior to 1.11.0-beta.1, a Stored Cross-Site Scripting (XSS) vulnerability was identified in the /admin/accounts/groups/Grupo endpoint of the Grav application. This vulnerability allows attackers to inject malicious scripts into the data[readableName] parameter. The injected scripts are stored on the server and executed automatically whenever the affected page is accessed by users, posing a significant security risk. This vulnerability is fixed in 1.11.0-beta.1.
Severity
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
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CVE-2025-66311 (GCVE-0-2025-66311)
Vulnerability from cvelistv5 – Published: 2025-12-01 22:05 – Updated: 2025-12-02 15:53
VLAI
Title
Grav vulnerable to Cross-Site Scripting (XSS) Stored endpoint `/admin/pages/[page]` in Multiples parameters
Summary
This admin plugin for Grav is an HTML user interface that provides a convenient way to configure Grav and easily create and modify pages. Prior to 1.11.0-beta.1, a Stored Cross-Site Scripting (XSS) vulnerability was identified in the /admin/pages/[page] endpoint of the Grav application. This vulnerability allows attackers to inject malicious scripts into the data[header][metadata], data[header][taxonomy][category], and data[header][taxonomy][tag] parameters. These scripts are stored in the page frontmatter and executed automatically whenever the affected page is accessed or rendered in the administrative interface. This vulnerability is fixed in 1.11.0-beta.1.
Severity
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav-plugin-admin/comm… | x_refsource_MISC |
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CVE-2025-66310 (GCVE-0-2025-66310)
Vulnerability from cvelistv5 – Published: 2025-12-01 22:04 – Updated: 2025-12-02 16:03
VLAI
Title
Grav vulnerable to Cross-Site Scripting (XSS) Stored endpoint `/admin/pages/[page]` parameter `data[header][template]` in Advanced Tab
Summary
This admin plugin for Grav is an HTML user interface that provides a convenient way to configure Grav and easily create and modify pages. Prior to 1.11.0-beta.1, a Stored Cross-Site Scripting (XSS) vulnerability was identified in the /admin/pages/[page] endpoint of the Grav application. This vulnerability allows attackers to inject malicious scripts into the data[header][template] parameter. The script is saved within the page's frontmatter and executed automatically whenever the affected content is rendered in the administrative interface or frontend view. This vulnerability is fixed in 1.11.0-beta.1.
Severity
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav-plugin-admin/comm… | x_refsource_MISC |
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CVE-2025-66309 (GCVE-0-2025-66309)
Vulnerability from cvelistv5 – Published: 2025-12-01 22:02 – Updated: 2025-12-02 16:12
VLAI
Title
Grav vulnerable to Cross-Site Scripting (XSS) Reflected endpoint /admin/pages/[page], parameter data[header][content][items], located in the "Blog Config" tab
Summary
This admin plugin for Grav is an HTML user interface that provides a convenient way to configure Grav and easily create and modify pages. Prior to 1.11.0-beta.1, a Reflected Cross-Site Scripting (XSS) vulnerability was identified in the /admin/pages/[page] endpoint of the Grav application. This vulnerability allows attackers to inject malicious scripts into the data[header][content][items] parameter. This vulnerability is fixed in 1.11.0-beta.1.
Severity
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav-plugin-admin/comm… | x_refsource_MISC |
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CVE-2025-66308 (GCVE-0-2025-66308)
Vulnerability from cvelistv5 – Published: 2025-12-01 22:00 – Updated: 2025-12-02 16:14
VLAI
Title
Grav Admin Plugin vulnerable to Cross-Site Scripting (XSS) Stored endpoint `/admin/config/site` parameter `data[taxonomies]`
Summary
This admin plugin for Grav is an HTML user interface that provides a convenient way to configure Grav and easily create and modify pages. Prior to 1.11.0-beta.1, a Stored Cross-Site Scripting (XSS) vulnerability was identified in the /admin/config/site endpoint of the Grav application. This vulnerability allows attackers to inject malicious scripts into the data[taxonomies] parameter. The injected payload is stored on the server and automatically executed in the browser of any user who accesses the affected site configuration, resulting in a persistent attack vector. This vulnerability is fixed in 1.11.0-beta.1.
Severity
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
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|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
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CVE-2025-66307 (GCVE-0-2025-66307)
Vulnerability from cvelistv5 – Published: 2025-12-01 21:53 – Updated: 2025-12-02 20:07
VLAI
Title
Grav Admin Plugin vulnerable to User Enumeration & Email Disclosure
Summary
This admin plugin for Grav is an HTML user interface that provides a convenient way to configure Grav and easily create and modify pages. Prior to 1.11.0-beta.1, a user enumeration and email disclosure vulnerability exists in Grav. The "Forgot Password" functionality at /admin/forgot leaks information about valid usernames and their associated email addresses through distinct server responses. This allows an attacker to enumerate users and disclose sensitive email addresses, which can be leveraged for targeted attacks such as password spraying, phishing, or social engineering. This vulnerability is fixed in 1.11.0-beta.1.
Severity
6.5 (Medium)
CWE
- CWE-204 - Observable Response Discrepancy
Assigner
References
2 references
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|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
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CVE-2025-66306 (GCVE-0-2025-66306)
Vulnerability from cvelistv5 – Published: 2025-12-01 21:46 – Updated: 2025-12-02 20:11
VLAI
Title
Grav vulnerable to Information Disclosure via IDOR in Grav Admin Panel
Summary
Grav is a file-based Web platform. Prior to 1.8.0-beta.27, there is an IDOR (Insecure Direct Object Reference) vulnerability in the Grav CMS Admin Panel which allows low-privilege users to access sensitive information from other accounts. Although direct account takeover is not possible, admin email addresses and other metadata can be exposed, increasing the risk of phishing, credential stuffing, and social engineering. This vulnerability is fixed in 1.8.0-beta.27.
Severity
4.3 (Medium)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav/commit/b7e1958a6e… | x_refsource_MISC |
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CVE-2025-66305 (GCVE-0-2025-66305)
Vulnerability from cvelistv5 – Published: 2025-12-01 21:43 – Updated: 2025-12-02 20:14
VLAI
Title
Grav vulnerable to Denial of Service via Improper Input Handling in 'Supported' Parameter
Summary
Grav is a file-based Web platform. Prior to 1.8.0-beta.27, a Denial of Service (DoS) vulnerability was identified in the "Languages" submenu of the Grav admin configuration panel (/admin/config/system). Specifically, the Supported parameter fails to properly validate user input. If a malformed value is inserted—such as a single forward slash (/) or an XSS test string—it causes a fatal regular expression parsing error on the server. This leads to application-wide failure due to the use of the preg_match() function with an improperly constructed regular expression, resulting in an error. Once triggered, the site becomes completely unavailable to all users. This vulnerability is fixed in 1.8.0-beta.27.
Severity
CWE
- CWE-248 - Uncaught Exception
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
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CVE-2025-66304 (GCVE-0-2025-66304)
Vulnerability from cvelistv5 – Published: 2025-12-01 21:40 – Updated: 2025-12-02 20:15
VLAI
Title
Grav Exposes Password Hashes Leading to privilege escalation
Summary
Grav is a file-based Web platform. Prior to 1.8.0-beta.27, users with read access on the user account management section of the admin panel can view the password hashes of all users, including the admin user. This exposure can potentially lead to privilege escalation if an attacker can crack these password hashes. This vulnerability is fixed in 1.8.0-beta.27.
Severity
6.2 (Medium)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav/commit/9d11094e41… | x_refsource_MISC |
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CVE-2025-66303 (GCVE-0-2025-66303)
Vulnerability from cvelistv5 – Published: 2025-12-01 21:35 – Updated: 2025-12-03 15:10
VLAI
Title
Grav is vulnerable to a DOS on the admin panel
Summary
Grav is a file-based Web platform. Prior to 1.8.0-beta.27, A Denial of Service (DoS) vulnerability has been identified in Grav related to the handling of scheduled_at parameters. Specifically, the application fails to properly sanitize input for cron expressions. By manipulating the scheduled_at parameter with a malicious input, such as a single quote, the application admin panel becomes non-functional, causing significant disruptions to administrative operations. The only way to recover from this issue is to manually access the host server and modify the backup.yaml file to correct the corrupted cron expression. This vulnerability is fixed in 1.8.0-beta.27.
Severity
4.9 (Medium)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav/commit/9d11094e41… | x_refsource_MISC |
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