Common Weakness Enumeration
CWE-1021
AllowedImproper Restriction of Rendered UI Layers or Frames
Abstraction: Base · Status: Incomplete
The web application does not restrict or incorrectly restricts frame objects or UI layers that belong to another application or domain.
497 vulnerabilities reference this CWE, most recent first.
CVE-2026-114125 (GCVE-0-2026-114125)
Vulnerability from cvelistv5 – Published: 2026-10-21 17:08 – Updated: 2026-10-21 17:08
VLAI
EPSS
VEX
Title
Storybook: Missing origin validation in Storybook preview allows code injection from malicious websites
Summary
Storybook is a frontend workshop for building user interface components and pages in isolation. From 8.0.0 until 8.6.19, 9.1.21, 10.6.2, and 11.0.0-alpha.6, a malicious website can interact with the preview of a running Storybook development server. Insufficient iframe embedding and message-origin restrictions can allow attacker-controlled events to reach the running preview. A developer must visit the malicious website and interact with the injected interface. The attack can cause unauthorized changes to story files and, if a changed file is later executed by a local runtime, arbitrary code execution with the developer's privileges. This issue is fixed in 8.6.19, 9.1.21, 10.6.2, and 11.0.0-alpha.6.
Severity
CWE
Assigner
References
11 references
| URL | Tags |
|---|---|
| https://github.com/storybookjs/storybook/security… | x_refsource_CONFIRM |
| https://github.com/storybookjs/storybook/pull/36726 | x_refsource_MISC |
| https://github.com/storybookjs/storybook/commit/2… | x_refsource_MISC |
| https://github.com/storybookjs/storybook/commit/3… | x_refsource_MISC |
| https://github.com/storybookjs/storybook/commit/9… | x_refsource_MISC |
| https://github.com/storybookjs/storybook/commit/d… | x_refsource_MISC |
| https://github.com/storybookjs/storybook/commit/d… | x_refsource_MISC |
| https://github.com/storybookjs/storybook/releases… | x_refsource_MISC |
| https://github.com/storybookjs/storybook/releases… | x_refsource_MISC |
| https://github.com/storybookjs/storybook/releases… | x_refsource_MISC |
| https://github.com/storybookjs/storybook/releases… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| storybookjs | storybook |
Affected:
>= 8.0.0, < 8.6.19
Affected: >= 9.0.0, < 9.1.21 Affected: >= 10.0.0, < 10.6.2 Affected: >= 11.0.0-alpha.0, < 11.0.0-alpha.6 |
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CVE-2026-109290 (GCVE-0-2026-109290)
Vulnerability from cvelistv5 – Published: 2026-10-12 16:04 – Updated: 2026-10-23 21:57
VLAI
EPSS
VEX
Title
Open WebUI 0.11.1 before 0.11.4 Stored XSS via DOCX Preview
Summary
Open WebUI from 0.11.1 before 0.11.4 contains a stored cross-site scripting vulnerability in DocxPreview.svelte that allows authenticated users to execute script by uploading crafted DOCX attachments. Attackers can embed an OOXML altChunk HTML part or script-scheme hyperlink to steal a previewing administrator's session token from local storage and take over the instance.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 18:07 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/open-webui/open-webui/security… | vendor-advisory |
| https://www.vulncheck.com/advisories/open-webui-0… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| open-webui | open-webui |
Affected:
0.11.1 , < 0.11.4
(semver)
Unaffected: 0.11.4 (semver) cpe:2.3:a:openwebui:open_webui:*:*:*:*:*:*:*:* |
Date Public
2026-09-27 00:00
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CVE-2026-108901 (GCVE-0-2026-108901)
Vulnerability from cvelistv5 – Published: 2026-10-12 15:45 – Updated: 2026-10-13 18:19
VLAI
EPSS
VEX
Title
Shenzhen HCC Technology MPOS M6 PLUS Display QR Code Rendering ui layer
Summary
A vulnerability was found in Shenzhen HCC Technology MPOS M6 PLUS 1.31-N. Affected by this vulnerability is an unknown functionality of the component Display QR Code Rendering. Performing a manipulation of the argument alignment results in improper restriction of rendered ui layers. The attack can only be performed from the local network. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 18:18 UTC
CWE
- CWE-1021 - Improper Restriction of Rendered UI Layers
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/416692 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/416692/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-108901 | third-party-advisory |
| https://vuldb.com/submit/976764 | third-party-advisory |
| https://github.com/Davim09/m6plusexploit/blob/mai… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Shenzhen HCC Technology | MPOS M6 PLUS |
Affected:
1.31-N
cpe:2.3:a:shenzhen_hcc_technology:mpos_m6_plus:*:*:*:*:*:*:*:* |
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CVE-2026-87995 (GCVE-0-2026-87995)
Vulnerability from cvelistv5 – Published: 2026-09-09 21:26 – Updated: 2026-09-10 17:54
VLAI
EPSS
VEX
Title
Open WebUI: Same-origin XSS to account takeover via terminal port-preview iframe hardcoding allow-same-origin
Summary
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.8.11 until 0.11.1, src/lib/components/chat/FileNav/PortPreview.svelte rendered terminal port content in an iframe sandbox containing both allow-scripts and allow-same-origin. Because the terminal proxy serves that content from the Open WebUI origin, an authenticated user with access to a shared terminal server could host script on a previewed port and take over a victim's account when the victim opened the preview. This issue is fixed in version 0.11.1.
Severity
8.7 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-10 17:54 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/open-webui/open-webui/security… | x_refsource_CONFIRM |
| https://github.com/open-webui/open-webui/commit/5… | x_refsource_MISC |
| https://github.com/open-webui/open-webui/releases… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| open-webui | open-webui |
Affected:
>= 0.8.11, < 0.11.1
|
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CVE-2026-84388 (GCVE-0-2026-84388)
Vulnerability from cvelistv5 – Published: 2026-09-22 14:12 – Updated: 2026-09-26 23:12
VLAI
EPSS
VEX
Summary
A improper restriction of rendered ui layers or frames vulnerability in Fortinet FortiPAM Chrome Extension 8.0 all versions, FortiPAM Chrome Extension 7.4 all versions may allow attacker to information disclosure via remote unauthenticated attack
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 14:42 UTC
CWE
- CWE-1021 - Information disclosure
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Fortinet | FortiPAM Chrome Extension |
Affected:
8.0.1
cpe:2.3:a:fortinet:fortipam_chrome_extension:8.0.1:*:*:*:*:*:*:* |
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CVE-2026-77062 (GCVE-0-2026-77062)
Vulnerability from cvelistv5 – Published: 2026-10-26 14:46 – Updated: 2026-10-26 15:35 X_Open Source
VLAI
EPSS
VEX
Title
Clickjacking in boneIO
Summary
The boneIO Black web interface lacks proper clickjacking protections. A remote attacker can embed the control panel in an iframe on a malicious web page and trick an authenticated user on the internal network into clicking buttons that activate relays, open gates, or control blinds. This can lead to unauthorized state changes with potential physical safety consequences. Critically, due to CVE-2026-77053 (authentication disabled by default), any user on the same internal network can trigger attacker-controlled actions by visiting the malicious website.
This issue was fixed in version 1.6.0.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-26 15:29 UTC
CWE
- CWE-1021 - Improper Restriction of Rendered UI Layers or Frames
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://cert.pl/en/posts/2026/10/CVE-2026-77052 | third-party-advisory |
| https://boneio.eu/en/docs/black | product |
Impacted products
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CVE-2026-75548 (GCVE-0-2026-75548)
Vulnerability from cvelistv5 – Published: 2026-08-27 21:30 – Updated: 2026-10-05 19:24
VLAI
EPSS
VEX
Title
Ebyte NA111-M Improper Restriction of Rendered UI Layers or Frames
Summary
The affected Ebyte device web management interface does not restrict the
interface from being rendered within an external frame. An
unauthenticated remote attacker could use a crafted webpage to mislead
an authenticated administrator into initiating unintended configuration
changes or disruptive actions.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 13:49 UTC
CWE
- CWE-1021 - Improper Restriction of Rendered UI Layers or Frames
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Ebyte | Ebyte NA111-M Firmware |
Affected:
9013-2-17
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CVE-2026-71177 (GCVE-0-2026-71177)
Vulnerability from cvelistv5 – Published: 2026-09-23 14:02 – Updated: 2026-09-23 15:23
VLAI
EPSS
VEX
Summary
Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains an Improper Restriction of Rendered UI Layers or Frames vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Elevation of privileges and Session theft.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 15:22 UTC
CWE
- CWE-1021 - Improper Restriction of Rendered UI Layers or Frames
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-ca/00050359… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Dell | Secure Connect Gateway (SCG) Policy Manager |
Affected:
0 , < 5.36.00.16 or later
(semver)
|
Date Public
2026-08-31 06:30
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CVE-2026-70608 (GCVE-0-2026-70608)
Vulnerability from cvelistv5 – Published: 2026-08-05 17:27 – Updated: 2026-08-05 18:46
VLAI
EPSS
VEX
Title
Electron: Sandboxed iframe can bypass the allow-popups restriction via the OpenURL navigation path
Summary
Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.10, 41.10.3, and 42.0.1, a sandboxed iframe without the allow-popups keyword could still open a new window or trigger setWindowOpenHandler with no user interaction because new-window navigations taking the OpenURL path did not apply the iframe sandbox popup restriction. Apps that embed untrusted content in sandboxed iframes and rely on the absence of allow-popups to prevent window creation are affected, while apps that deny window creation in setWindowOpenHandler or do not embed untrusted content in sandboxed iframes are not affected. This issue is fixed in 39.8.10, 41.10.3, and 42.0.1.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-05 18:14 UTC
CWE
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://github.com/electron/electron/security/adv… | x_refsource_CONFIRM |
| https://github.com/electron/electron/pull/51437 | x_refsource_MISC |
| https://github.com/electron/electron/pull/51438 | x_refsource_MISC |
| https://github.com/electron/electron/pull/51439 | x_refsource_MISC |
| https://github.com/electron/electron/commit/3ff23… | x_refsource_MISC |
| https://github.com/electron/electron/commit/57cbe… | x_refsource_MISC |
| https://github.com/electron/electron/commit/68cf8… | x_refsource_MISC |
| https://github.com/electron/electron/releases/tag… | x_refsource_MISC |
| https://github.com/electron/electron/releases/tag… | x_refsource_MISC |
| https://github.com/electron/electron/releases/tag… | x_refsource_MISC |
Impacted products
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CVE-2026-70600 (GCVE-0-2026-70600)
Vulnerability from cvelistv5 – Published: 2026-08-05 15:40 – Updated: 2026-08-06 14:21
VLAI
EPSS
VEX
Title
Electron: Cross-origin iframe can position native autofill popup
Summary
Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.8, 40.9.0, 41.2.1, and 42.0.0-beta.3, the native autofill popup could be positioned by a cross-origin iframe outside that iframe's bounds, over the embedding page's UI, enabling clickjacking or spoofing of trusted UI. Apps are only affected if they embed untrusted content in iframes within windows that also display trusted UI. Apps that do not embed untrusted third-party content are not affected. This issue is fixed in versions 39.8.8, 40.9.0, 41.2.1, and 42.0.0-beta.3.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-06 14:21 UTC
CWE
- CWE-1021 - Improper Restriction of Rendered UI Layers or Frames
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/electron/electron/security/adv… | x_refsource_CONFIRM |
Impacted products
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Mitigation
Implementation
- The use of X-Frame-Options allows developers of web content to restrict the usage of their application within the form of overlays, frames, or iFrames. The developer can indicate from which domains can frame the content.
- The concept of X-Frame-Options is well documented, but implementation of this protection mechanism is in development to cover gaps. There is a need for allowing frames from multiple domains.
Mitigation
Implementation
- A developer can use a "frame-breaker" script in each page that should not be framed. This is very helpful for legacy browsers that do not support X-Frame-Options security feature previously mentioned.
- It is also important to note that this tactic has been circumvented or bypassed. Improper usage of frames can persist in the web application through nested frames. The "frame-breaking" script does not intuitively account for multiple nested frames that can be presented to the user.
Mitigation
Implementation
This defense-in-depth technique can be used to prevent the improper usage of frames in web applications. It prioritizes the valid sources of data to be loaded into the application through the usage of declarative policies. Based on which implementation of Content Security Policy is in use, the developer should use the "frame-ancestors" directive or the "frame-src" directive to mitigate this weakness. Both directives allow for the placement of restrictions when it comes to allowing embedded content.
Mitigation
Implementation
In addition to frames or iframes as previously mentioned, the web application is expected to place restrictions on whether it is allowed to be rendered within objects, embed, or applet elements.
CAPEC-103: Clickjacking
An adversary tricks a victim into unknowingly initiating some action in one system while interacting with the UI from a seemingly completely different, usually an adversary controlled or intended, system.
CAPEC-181: Flash File Overlay
An attacker creates a transparent overlay using flash in order to intercept user actions for the purpose of performing a clickjacking attack. In this technique, the Flash file provides a transparent overlay over HTML content. Because the Flash application is on top of the content, user actions, such as clicks, are caught by the Flash application rather than the underlying HTML. The action is then interpreted by the overlay to perform the actions the attacker wishes.
CAPEC-222: iFrame Overlay
In an iFrame overlay attack the victim is tricked into unknowingly initiating some action in one system while interacting with the UI from seemingly completely different system.
CAPEC-504: Task Impersonation
An adversary, through a previously installed malicious application, impersonates an expected or routine task in an attempt to steal sensitive information or leverage a user's privileges.
CAPEC-506: Tapjacking
An adversary, through a previously installed malicious application, displays an interface that misleads the user and convinces them to tap on an attacker desired location on the screen. This is often accomplished by overlaying one screen on top of another while giving the appearance of a single interface. There are two main techniques used to accomplish this. The first is to leverage transparent properties that allow taps on the screen to pass through the visible application to an application running in the background. The second is to strategically place a small object (e.g., a button or text field) on top of the visible screen and make it appear to be a part of the underlying application. In both cases, the user is convinced to tap on the screen but does not realize the application that they are interacting with.
CAPEC-587: Cross Frame Scripting (XFS)
This attack pattern combines malicious Javascript and a legitimate webpage loaded into a concealed iframe. The malicious Javascript is then able to interact with a legitimate webpage in a manner that is unknown to the user. This attack usually leverages some element of social engineering in that an attacker must convinces a user to visit a web page that the attacker controls.
CAPEC-654: Credential Prompt Impersonation
An adversary, through a previously installed malicious application, impersonates a credential prompt in an attempt to steal a user's credentials.