Common Weakness Enumeration
CWE-84
AllowedImproper Neutralization of Encoded URI Schemes in a Web Page
Abstraction: Variant · Status: Draft
The web application improperly neutralizes user-controlled input for executable script disguised with URI encodings.
26 vulnerabilities reference this CWE, most recent first.
CVE-2020-7011 (GCVE-0-2020-7011)
Vulnerability from cvelistv5 – Published: 2020-06-03 17:55 – Updated: 2024-08-04 09:18
VLAI
EPSS
VEX
Summary
Elastic App Search versions before 7.7.0 contain a cross site scripting (XSS) flaw when displaying document URLs in the Reference UI. If the Reference UI injects a URL into a result, that URL will be rendered by the web browser. If an attacker is able to control the contents of such a field, they could execute arbitrary JavaScript in the victim�s web browser.
Severity
No CVSS data available.
CWE
- CWE-84 - Improper Neutralization of Encoded URI Schemes in a Web Page
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.elastic.co/community/security/ | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Elastic | Elastic App Search |
Affected:
before 7.7.0
|
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"cna": {
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}
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},
"references": [
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"url": "https://www.elastic.co/community/security/"
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],
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"datePublished": "2020-06-03T17:55:43.000Z",
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GHSA-2PPF-GQJ9-P969
Vulnerability from github – Published: 2025-08-05 15:30 – Updated: 2025-08-05 15:30
VLAI
Details
IBM Engineering Lifecycle Optimization - Publishing 7.0.2 and 7.03 could be susceptible to cross-site scripting due to no validation of URIs.
Severity
6.1 (Medium)
{
"affected": [],
"aliases": [
"CVE-2024-52890"
],
"database_specific": {
"cwe_ids": [
"CWE-84"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-08-05T14:15:27Z",
"severity": "MODERATE"
},
"details": "IBM Engineering Lifecycle Optimization - Publishing 7.0.2 and 7.03 could be susceptible to cross-site scripting due to no validation of URIs.",
"id": "GHSA-2ppf-gqj9-p969",
"modified": "2025-08-05T15:30:51Z",
"published": "2025-08-05T15:30:51Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-52890"
},
{
"type": "WEB",
"url": "https://www.ibm.com/support/pages/node/7241392"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-5MWF-PVJ7-8QJ6
Vulnerability from github – Published: 2025-02-27 18:31 – Updated: 2025-02-28 18:31
VLAI
Details
An issue in Beitatong Technology LianJia iOS 9.83.50 allows attackers to access sensitive user information via supplying a crafted link.
Severity
5.5 (Medium)
{
"affected": [],
"aliases": [
"CVE-2025-25331"
],
"database_specific": {
"cwe_ids": [
"CWE-84"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-02-27T16:15:40Z",
"severity": "MODERATE"
},
"details": "An issue in Beitatong Technology LianJia iOS 9.83.50 allows attackers to access sensitive user information via supplying a crafted link.",
"id": "GHSA-5mwf-pvj7-8qj6",
"modified": "2025-02-28T18:31:00Z",
"published": "2025-02-27T18:31:14Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-25331"
},
{
"type": "WEB",
"url": "https://github.com/ZhouZiyi1/Vuls/blob/main/250116-LianJia/250116-LianJia.pdf"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-65HC-MHVG-X697
Vulnerability from github – Published: 2025-02-27 18:31 – Updated: 2025-02-28 18:31
VLAI
Details
An issue in Boohee Technology Boohee Health iOS 13.0.13 allows attackers to access sensitive user information via supplying a crafted link.
Severity
5.5 (Medium)
{
"affected": [],
"aliases": [
"CVE-2025-25330"
],
"database_specific": {
"cwe_ids": [
"CWE-84"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-02-27T16:15:40Z",
"severity": "MODERATE"
},
"details": "An issue in Boohee Technology Boohee Health iOS 13.0.13 allows attackers to access sensitive user information via supplying a crafted link.",
"id": "GHSA-65hc-mhvg-x697",
"modified": "2025-02-28T18:31:00Z",
"published": "2025-02-27T18:31:14Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-25330"
},
{
"type": "WEB",
"url": "https://github.com/ZhouZiyi1/Vuls/blob/main/250116-BooheeHealth/250116-BooheeHealth.pdf"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-C354-CJMX-4HGF
Vulnerability from github – Published: 2025-01-23 03:30 – Updated: 2025-01-23 03:30
VLAI
Details
BigFix Patch Download Plug-ins are affected by insecure support for file URI scheme. It could allow a malicious operator to attempt to download files using the file:// URI scheme.
Severity
{
"affected": [],
"aliases": [
"CVE-2024-42184"
],
"database_specific": {
"cwe_ids": [
"CWE-84"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-01-23T03:15:08Z",
"severity": "LOW"
},
"details": "BigFix Patch Download Plug-ins are affected by insecure support for file URI scheme. It could allow a malicious operator to attempt to download files using the file:// URI scheme.",
"id": "GHSA-c354-cjmx-4hgf",
"modified": "2025-01-23T03:30:54Z",
"published": "2025-01-23T03:30:54Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-42184"
},
{
"type": "WEB",
"url": "https://support.hcl-software.com/csm?id=kb_article\u0026sysparm_article=KB0118565"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-G9HG-QHMF-Q45M
Vulnerability from github – Published: 2025-09-08 21:14 – Updated: 2025-09-26 17:07
VLAI
Summary
MCP Inspector is Vulnerable to Potential Command Execution via XSS When Connecting to an Untrusted MCP Server
Details
An XSS flaw exists in the MCP Inspector local development tool when it renders a redirect URL returned by a remote MCP server. If the Inspector connects to an untrusted server, a crafted redirect can inject script into the Inspector context and, via the built-in proxy, be leveraged to trigger arbitrary command execution on the developer machine. Version 0.16.6 hardens URL handling/validation and prevents script execution.
Thank you to the following researchers for their reports and contributions: * Raymond (Veria Labs) * Gavin Zhong, superboyzjc@gmail.com & Shuyang Wang, swang@obsidiansecurity.com.
Severity
{
"affected": [
{
"package": {
"ecosystem": "npm",
"name": "@modelcontextprotocol/inspector"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.16.6"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2025-58444"
],
"database_specific": {
"cwe_ids": [
"CWE-79",
"CWE-84",
"CWE-94"
],
"github_reviewed": true,
"github_reviewed_at": "2025-09-08T21:14:23Z",
"nvd_published_at": "2025-09-08T22:15:34Z",
"severity": "HIGH"
},
"details": "An XSS flaw exists in the MCP Inspector local development tool when it renders a redirect URL returned by a remote MCP server. If the Inspector connects to an untrusted server, a crafted redirect can inject script into the Inspector context and, via the built-in proxy, be leveraged to trigger arbitrary command execution on the developer machine. Version 0.16.6 hardens URL handling/validation and prevents script execution.\n\n\u003e Thank you to the following researchers for their reports and contributions:\n\u003e * Raymond (Veria Labs)\n\u003e * Gavin Zhong, \u003csuperboyzjc@gmail.com\u003e \u0026 Shuyang Wang, \u003cswang@obsidiansecurity.com\u003e.",
"id": "GHSA-g9hg-qhmf-q45m",
"modified": "2025-09-26T17:07:01Z",
"published": "2025-09-08T21:14:23Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/modelcontextprotocol/inspector/security/advisories/GHSA-g9hg-qhmf-q45m"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-58444"
},
{
"type": "WEB",
"url": "https://github.com/modelcontextprotocol/inspector/commit/650f3090d26344a672026b737d81586595bb1f60"
},
{
"type": "PACKAGE",
"url": "https://github.com/modelcontextprotocol/inspector"
},
{
"type": "WEB",
"url": "https://www.npmjs.com/package/@modelcontextprotocol/inspector/v/0.16.6"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "MCP Inspector is Vulnerable to Potential Command Execution via XSS When Connecting to an Untrusted MCP Server"
}
GHSA-GCH2-PHQH-FG9Q
Vulnerability from github – Published: 2026-01-30 21:17 – Updated: 2026-01-31 03:54
VLAI
Summary
Orval has Code Injection via unsanitized x-enum-descriptions using JS comments
Details
CVE-2026-23947 had an incomplete fix
While the current jsStringEscape function properly handles single quotes ('), double quotes (") and other characters, it fails to sanitize * and / characters. This allows attackers to break out of JavaScript comment blocks using */ sequences and inject arbitrary code into generated files.
Example:
openapi: 3.0.4
info:
title: Enum PoC
version: "1.0.0"
paths:
/ping:
get:
operationId: ping
responses:
"200":
description: ok
content:
application/json:
schema:
$ref: "#/components/schemas/EvilEnum"
components:
schemas:
EvilEnum:
type: string
enum:
- PWNED
x-enumDescriptions:
# "pwned */ }; import('child_process').then(cp => cp.execSync('touch pwned')); const a = { /*"
- "pwned */ }; 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const a = { /*"
Severity
{
"affected": [
{
"package": {
"ecosystem": "npm",
"name": "@orval/core"
},
"ranges": [
{
"events": [
{
"introduced": "7.19.0"
},
{
"fixed": "7.21.0"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "npm",
"name": "@orval/core"
},
"ranges": [
{
"events": [
{
"introduced": "8.0.0"
},
{
"fixed": "8.2.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2026-25141"
],
"database_specific": {
"cwe_ids": [
"CWE-84",
"CWE-94"
],
"github_reviewed": true,
"github_reviewed_at": "2026-01-30T21:17:25Z",
"nvd_published_at": "2026-01-30T21:15:58Z",
"severity": "CRITICAL"
},
"details": "[CVE-2026-23947](https://github.com/advisories/GHSA-h526-wf6g-67jv) had an incomplete fix\n\nWhile the current [jsStringEscape](https://github.com/orval-labs/orval/blob/02211fc413524be340ba9ace866a2ef68845ca7c/packages/core/src/utils/string.ts#L227) function properly handles single quotes (\u0027), double quotes (\") and other characters, it fails to sanitize * and / characters. This allows attackers to break out of JavaScript comment blocks using */ sequences and inject arbitrary code into generated files.\n\n**Example:**\n\n```yaml\nopenapi: 3.0.4\ninfo:\n title: Enum PoC\n version: \"1.0.0\"\n\npaths:\n /ping:\n get:\n operationId: ping\n responses:\n \"200\":\n description: ok\n content:\n application/json:\n schema:\n $ref: \"#/components/schemas/EvilEnum\"\n\ncomponents:\n schemas:\n EvilEnum:\n type: string\n enum:\n - PWNED\n x-enumDescriptions:\n # \"pwned */ }; import(\u0027child_process\u0027).then(cp =\u003e cp.execSync(\u0027touch pwned\u0027)); const a = { /*\"\n - \"pwned */ }; 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const a = { /*\"\n\n```",
"id": "GHSA-gch2-phqh-fg9q",
"modified": "2026-01-31T03:54:21Z",
"published": "2026-01-30T21:17:25Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/orval-labs/orval/security/advisories/GHSA-gch2-phqh-fg9q"
},
{
"type": "WEB",
"url": "https://github.com/orval-labs/orval/security/advisories/GHSA-h526-wf6g-67jv"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-25141"
},
{
"type": "PACKAGE",
"url": "https://github.com/orval-labs/orval"
},
{
"type": "WEB",
"url": "https://github.com/orval-labs/orval/blob/02211fc413524be340ba9ace866a2ef68845ca7c/packages/core/src/utils/string.ts#L227"
},
{
"type": "WEB",
"url": "https://github.com/orval-labs/orval/releases/tag/v7.21.0"
},
{
"type": "WEB",
"url": "https://github.com/orval-labs/orval/releases/tag/v8.2.0"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Orval has Code Injection via unsanitized x-enum-descriptions using JS comments"
}
GHSA-GQ6Q-2FFM-3VC2
Vulnerability from github – Published: 2025-02-27 18:31 – Updated: 2025-02-28 18:30
VLAI
Details
An issue in Qianjin Network Information Technology (Shanghai) Co., Ltd 51Job iOS 14.22.0 allows attackers to access sensitive user information via supplying a crafted link.
Severity
5.5 (Medium)
{
"affected": [],
"aliases": [
"CVE-2025-25323"
],
"database_specific": {
"cwe_ids": [
"CWE-84"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-02-27T16:15:39Z",
"severity": "MODERATE"
},
"details": "An issue in Qianjin Network Information Technology (Shanghai) Co., Ltd 51Job iOS 14.22.0 allows attackers to access sensitive user information via supplying a crafted link.",
"id": "GHSA-gq6q-2ffm-3vc2",
"modified": "2025-02-28T18:30:59Z",
"published": "2025-02-27T18:31:13Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-25323"
},
{
"type": "WEB",
"url": "https://github.com/ZhouZiyi1/Vuls/blob/main/250111-51Job/250111-51Job.pdf"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-GR74-V59Q-3P8G
Vulnerability from github – Published: 2025-02-27 18:31 – Updated: 2025-02-28 18:30
VLAI
Details
An issue in Shandong Provincial Big Data Center AiShanDong iOS 5.0.0 allows attackers to access sensitive user information via supplying a crafted link.
Severity
5.5 (Medium)
{
"affected": [],
"aliases": [
"CVE-2025-25324"
],
"database_specific": {
"cwe_ids": [
"CWE-84"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-02-27T16:15:39Z",
"severity": "MODERATE"
},
"details": "An issue in Shandong Provincial Big Data Center AiShanDong iOS 5.0.0 allows attackers to access sensitive user information via supplying a crafted link.",
"id": "GHSA-gr74-v59q-3p8g",
"modified": "2025-02-28T18:30:59Z",
"published": "2025-02-27T18:31:13Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-25324"
},
{
"type": "WEB",
"url": "https://github.com/ZhouZiyi1/Vuls/blob/main/250111-AiShanDong/250111-AiShanDong.pdf"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-J7M2-P3M3-HV6J
Vulnerability from github – Published: 2023-09-27 15:30 – Updated: 2024-04-04 07:51
VLAI
Details
In Apollo change requests, comments added by users could contain a javascript URI link that when rendered will result in an XSS that require user interaction.
Severity
4.1 (Medium)
{
"affected": [],
"aliases": [
"CVE-2023-30959"
],
"database_specific": {
"cwe_ids": [
"CWE-79",
"CWE-84"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-09-27T15:18:51Z",
"severity": "MODERATE"
},
"details": "In Apollo change requests, comments added by users could contain a javascript URI link that when rendered will result in an XSS that require user interaction.",
"id": "GHSA-j7m2-p3m3-hv6j",
"modified": "2024-04-04T07:51:35Z",
"published": "2023-09-27T15:30:34Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-30959"
},
{
"type": "WEB",
"url": "https://palantir.safebase.us/?tcuUid=4c257f07-58af-4532-892a-bdbe8ab3ec63"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N",
"type": "CVSS_V3"
}
]
}
Mitigation
Implementation
Strategy: Input Validation
Resolve all URIs to absolute or canonical representations before processing.
Mitigation
Implementation
Strategy: Input Validation
Carefully check each input parameter against a rigorous positive specification (allowlist) defining the specific characters and format allowed. All input should be neutralized, not just parameters that the user is supposed to specify, but all data in the request, including tag attributes, hidden fields, cookies, headers, the URL itself, and so forth. A common mistake that leads to continuing XSS vulnerabilities is to validate only fields that are expected to be redisplayed by the site. We often encounter data from the request that is reflected by the application server or the application that the development team did not anticipate. Also, a field that is not currently reflected may be used by a future developer. Therefore, validating ALL parts of the HTTP request is recommended.
Mitigation MIT-30.1
Implementation
Strategy: Output Encoding
- Use and specify an output encoding that can be handled by the downstream component that is reading the output. Common encodings include ISO-8859-1, UTF-7, and UTF-8. When an encoding is not specified, a downstream component may choose a different encoding, either by assuming a default encoding or automatically inferring which encoding is being used, which can be erroneous. When the encodings are inconsistent, the downstream component might treat some character or byte sequences as special, even if they are not special in the original encoding. Attackers might then be able to exploit this discrepancy and conduct injection attacks; they even might be able to bypass protection mechanisms that assume the original encoding is also being used by the downstream component.
- The problem of inconsistent output encodings often arises in web pages. If an encoding is not specified in an HTTP header, web browsers often guess about which encoding is being used. This can open up the browser to subtle XSS attacks.
Mitigation MIT-43
Implementation
With Struts, write all data from form beans with the bean's filter attribute set to true.
Mitigation MIT-31
Implementation
Strategy: Attack Surface Reduction
To help mitigate XSS attacks against the user's session cookie, set the session cookie to be HttpOnly. In browsers that support the HttpOnly feature (such as more recent versions of Internet Explorer and Firefox), this attribute can prevent the user's session cookie from being accessible to malicious client-side scripts that use document.cookie. This is not a complete solution, since HttpOnly is not supported by all browsers. More importantly, XmlHttpRequest and other powerful browser technologies provide read access to HTTP headers, including the Set-Cookie header in which the HttpOnly flag is set.
No CAPEC attack patterns related to this CWE.