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CWE-1021

412 CVEs • Abstraction: Base

Improper Restriction of Rendered UI Layers or Frames

The web application does not restrict or incorrectly restricts frame objects or UI layers that belong to another application or domain, which can lead to user confusion about which interface the user is interacting with.

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CVEs (412)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Mozilla
2Firefox
Thunderbird
Sep 3, 2026
Sep 1, 2026
N/A· v4
6.1 MEDIUM· v3
N/A· v2
Clickjacking issue in the DOM: Events component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.
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Aug 31, 2026
Aug 28, 2026
5.3 MEDIUM· v4
5.4 MEDIUM· v3
N/A· v2
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 authenticat...Show more
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.Show less
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Sep 3, 2026
Aug 18, 2026
N/A· v4
7.4 HIGH· v3
N/A· v2
ArcSearch for iOS versions prior to 1.48.0 could keep the address bar hidden after a page-initiated scroll, allowing attacker-controlled content to imitate browser interface elements and increasing spoofing risk.
1Mozilla
1Firefox Mobile
Aug 25, 2026
Aug 18, 2026
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Clickjacking issue in the Downloads component in Firefox for Android. This vulnerability was fixed in Firefox 154.
1Mozilla
2Firefox
Thunderbird
Aug 25, 2026
Aug 18, 2026
N/A· v4
8.1 HIGH· v3
N/A· v2
Clickjacking issue in the Widget component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
1Mozilla
2Firefox
Thunderbird
Aug 19, 2026
Aug 18, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Information disclosure in the WebRTC component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
1Mozilla
1Firefox Mobile
Aug 19, 2026
Aug 18, 2026
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Clickjacking issue in Firefox for Android. This vulnerability was fixed in Firefox 154.
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Aug 26, 2026
Aug 11, 2026
N/A· v4
3.7 LOW· v3
N/A· v2
SAP Data Services Management Console allows an overly permissive Content Security Policy (CSP) configuration and lacks certain restrictive directives, which could enable an authenticated malicious user to leverage this w...Show more
SAP Data Services Management Console allows an overly permissive Content Security Policy (CSP) configuration and lacks certain restrictive directives, which could enable an authenticated malicious user to leverage this weakness in combination with another vulnerability to inject and execute malicious scripts within the application's context. Successful exploitation may result in a low impact on confidentiality and integrity, with no impact on the availability of the application.Show less
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Aug 5, 2026
Aug 5, 2026
N/A· v4
7.2 HIGH· v3
N/A· v2
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 wi...Show more
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.Show less
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Aug 6, 2026
Aug 5, 2026
N/A· v4
3.1 LOW· v3
N/A· v2
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...Show more
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.Show less
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Aug 5, 2026
Aug 4, 2026
N/A· v4
8.2 HIGH· v3
N/A· v2
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 until 0.11.0, the terminal file-preview serveUrl iframe branch always granted allow-same-origin together with allow-scripts...Show more
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 until 0.11.0, the terminal file-preview serveUrl iframe branch always granted allow-same-origin together with allow-scripts for HTML files served from the application origin. Any authenticated user with access to a configured terminal server could cause script in a previewed file to run in the Open WebUI origin, read the victim's session token from localStorage, and take over the account, with possible server-side code execution if the victim was an admin or held workspace.functions. This issue is fixed in 0.11.0.Show less
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Jul 30, 2026
Jul 23, 2026
7.1 HIGH· v4
N/A· v3
N/A· v2
nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.1, none of the response paths in `internal/web/` or `internal/api/` set the standard browser-security headers...Show more
nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.1, none of the response paths in `internal/web/` or `internal/api/` set the standard browser-security headers. `grep` for `Content-Security-Policy`, `X-Frame-Options`, `Strict-Transport-Security`, `X-Content-Type-Options`, `Referrer-Policy` returns zero matches across the codebase. Version 0.3.1 fixes the issue.Show less
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Jul 21, 2026
Jul 21, 2026
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Clickjacking issue in the WebExtensions component in Firefox for Android. This vulnerability was fixed in Firefox 153.
1Absolute
1Secure Access
Jul 16, 2026
Jul 15, 2026
6.1 MEDIUM· v4
7.5 HIGH· v3
N/A· v2
o   CVE-2026-40957 is a frameable content vulnerability in the Secure Access server login page prior to 14.55. Attackers with control of a malicious web site could use it to potentially steal credentials from an unwary a...Show more
o   CVE-2026-40957 is a frameable content vulnerability in the Secure Access server login page prior to 14.55. Attackers with control of a malicious web site could use it to potentially steal credentials from an unwary administrator.Show less
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Jul 16, 2026
Jul 14, 2026
N/A· v4
8.1 HIGH· v3
N/A· v2
Improper restriction of rendered ui layers or frames in Microsoft Bing App for IOS allows an unauthorized attacker to perform spoofing over a network.
1Jetbrains
1Youtrack
Jul 10, 2026
Jul 10, 2026
N/A· v4
3.5 LOW· v3
N/A· v2
In JetBrains YouTrack before 2026.2.17012 cSS injection via Mermaid diagram rendering was possible
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Jul 9, 2026
Jul 6, 2026
N/A· v4
5.4 MEDIUM· v3
N/A· v2
ajenti through v2.2.13 has a clickjacking weakness in the browser-facing login and administrative UI. In ajenti-core/aj/http.py, the core HTTP response path initializes an empty header list, forwards handler-added header...Show more
ajenti through v2.2.13 has a clickjacking weakness in the browser-facing login and administrative UI. In ajenti-core/aj/http.py, the core HTTP response path initializes an empty header list, forwards handler-added headers verbatim, and finalizes responses through WSGI start_response() without adding anti-framing protections such as X-Frame-Options or a Content-Security-Policy frame-ancestors restriction.Show less
1Google
1Chrome
Jul 1, 2026
Jun 30, 2026
N/A· v4
5.4 MEDIUM· v3
N/A· v2
Inappropriate implementation in Extensions in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to perform UI spoofing via a crafted HTML page. (Chromium security sev...Show more
Inappropriate implementation in Extensions in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)Show less
1Google
1Chrome
Jul 2, 2026
Jun 30, 2026
N/A· v4
4.3 MEDIUM· v3
N/A· v2
Inappropriate implementation in DarkMode in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)
1Jupyter
1Jupyter Server
Aug 28, 2026
Jun 22, 2026
9.3 CRITICAL· v4
5.4 MEDIUM· v3
N/A· v2
Jupyter Server is the backend for Jupyter web applications. Prior to 2.20, the nbconvert HTTP handlers in jupyter_server render user-authored notebook HTML under the Jupyter origin without a sandbox directive in their Co...Show more
Jupyter Server is the backend for Jupyter web applications. Prior to 2.20, the nbconvert HTTP handlers in jupyter_server render user-authored notebook HTML under the Jupyter origin without a sandbox directive in their Content-Security-Policy. Combined with nbconvert.HTMLExporter's default non-sanitizing behavior, a notebook carrying an HTML payload in a display_data output triggers stored XSS with cookie access, full /api/* authority, and kernel RCE. This vulnerability is fixed in 2.20.Show less