PT-2026-42220

Name of the Vulnerable Software and Affected Versions CryptPad versions prior to 2026.2.0 Description The HTML sanitizer in Diffmarked.js contains a flaw where it fails to properly filter attributes on restricted tags. While the sanitizer validates the src attribute for , , and elements, it does...

Cross-site Scripting (XSS)

Overview @haxtheweb/iframe-loader is an Adds a loading indicator for iframes. Affected versions of this package are vulnerable to Cross-site Scripting XSS via improper sanitization of elements that allow javascript: URIs in the src attribute. An attacker can execute arbitrary JavaScript in the...

Stored XSS via <iframe> in HAX CMS allows access to sensitive client-side data and account takeover

Summary A stored cross-site scripting XSS vulnerability exists in HAX CMS due to improper sanitization of elements. The application allows javascript: URIs in the src attribute, which are executed when a malicious page is viewed. This enables attackers to execute arbitrary JavaScript in the conte...

Cross-site Scripting (XSS)

Overview @haxtheweb/haxcms-nodejs is a HAXcms nodejs backend Affected versions of this package are vulnerable to Cross-site Scripting XSS via improper sanitization of elements that allow javascript: URIs in the src attribute. An attacker can execute arbitrary JavaScript in the victim's browser...

Cross-site Scripting (XSS)

Overview @haxtheweb/video-player is an Automated conversion of video-player/ Affected versions of this package are vulnerable to Cross-site Scripting XSS via improper sanitization of elements that allow javascript: URIs in the src attribute. An attacker can execute arbitrary JavaScript in the...

GHSA-JH3H-RPXG-FR36 Stored XSS via <iframe> in HAX CMS allows access to sensitive client-side data and account takeover

Summary A stored cross-site scripting XSS vulnerability exists in HAX CMS due to improper sanitization of elements. The application allows javascript: URIs in the src attribute, which are executed when a malicious page is viewed. This enables attackers to execute arbitrary JavaScript in the conte...

CVE-2026-45303

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.6.5, through the HTML rendering view, scripts can be injected and executed. The frontend provides a function to visualize the HTML content of a current chat. The content is embedded in an...

PT-2026-41977

Name of the Vulnerable Software and Affected Versions HAX CMS versions prior to 26.0.0 Description A stored cross-site scripting XSS issue exists due to improper sanitization of elements. The application permits the use of javascript: URIs within the src attribute, which execute when a malicious...

CVE-2020-37233

WordPress Plugin Buddypress 6.2.0 contains a persistent cross-site scripting vulnerability that allows authenticated attackers with moderator privileges to inject malicious script code through the figure parameter in wp:html blocks. Attackers can inject iframe elements with event handlers like...

SUSE CVE-2026-8563

Insufficient policy enforcement in IFrame Sandbox in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. Chromium security severity: Medium...

Chromium: CVE-2026-8563 Insufficient policy enforcement in IFrame Sandbox

This CVE was assigned by Chrome. Microsoft Edge Chromium-based ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information...

CVE-2026-45303

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.6.5, through the HTML rendering view, scripts can be injected and executed. The frontend provides a function to visualize the HTML content of a current chat. The content is embedded in an...

CVE-2026-45303 Open WebUI: Stored XSS via the HTML renedering view

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.6.5, through the HTML rendering view, scripts can be injected and executed. The frontend provides a function to visualize the HTML content of a current chat. The content is embedded in an...

CVE-2026-45303

Open WebUI vulnerability CVE-2026-45303: Stored XSS via the HTML rendering view affects Open WebUI prior to 0.6.5. The frontend renders chat HTML inside an iframe with sandbox=

CVE-2026-45303 Open WebUI: Stored XSS via the HTML renedering view

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.6.5, through the HTML rendering view, scripts can be injected and executed. The frontend provides a function to visualize the HTML content of a current chat. The content is embedded in an...

CVE-2026-45303 Open WebUI: Stored XSS via the HTML renedering view

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.6.5, through the HTML rendering view, scripts can be injected and executed. The frontend provides a function to visualize the HTML content of a current chat. The content is embedded in an...

CVE-2026-45303: Improper Neutralization of Input During Web Page Generation

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.6.5, through the HTML rendering view, scripts can be injected and executed. The frontend provides a function to visualize the HTML content of a current chat. The content is embedded in an...

CVE-2026-8563

Insufficient policy enforcement in IFrame Sandbox in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-8563

Insufficient policy enforcement in IFrame Sandbox in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. Chromium security severity: Medium...

Open WebUI has stored XSS via the HTML renedering view

Summary Through the HTML rendering view, scripts can be injected and executed. The finding resulted from a penetration test for a customer. It is suspected that the root cause of the issue lies within the core of Open WebUI, which is why it is being reported as a security issue here. Tested on Op...