Astra Linux – Vulnerability in Firefox and Thunderbird

It was possible to create specific XSLT markup that could bypass the iframe sandbox. This vulnerability affects Firefox ESR versions prior to 91.5, Firefox versions prior to 96, and Thunderbird versions prior to 91.5...

Astra Linux – Vulnerability in Chromium

Inappropriate implementation in the iFrame Sandbox in Google Chrome prior to 107.0.5304.62 allowed a remote attacker to leak cross-origin data through a crafted HTML page. Chromium security severity: Medium...

Astra Linux – Vulnerability in Firefox and Thunderbird

An improper implementation of the new iframe sandbox keyword allow-top-navigation-by-user-activation could allow script execution when the allow-scripts flag is not set. This vulnerability affects Thunderbird version 91.9, Firefox ESR version 91.9, and Firefox version 100...

Astra Linux – Vulnerability in Chromium

Inappropriate implementation in the iframe Sandbox in Google Chrome prior to 109.0.5414.74 allowed a remote attacker to bypass file download restrictions via a crafted HTML page. Chromium security severity: Medium...

Astra Linux – Vulnerability in Chromium

Insufficient policy enforcement in the iframe sandbox of Google Chrome prior to version 96.0.4664.45 allowed a remote attacker to bypass navigation restrictions through a crafted HTML page...

Astra Linux – Vulnerability in Firefox and Thunderbird

The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox 94, Thunderbird 91.3, and Firefox ESR 91.3...

Astra Linux – Vulnerability in Chromium

In COOP mode in Google Chrome prior to version 98.0.4758.80, it was possible for a remote attacker to bypass the iframe sandbox through a crafted HTML page...

Astra Linux – Vulnerability in Chromium

Inappropriate implementation in the iframe sandbox in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass navigation restrictions through a crafted HTML page...

Astra Linux – Vulnerability in WebKit2GTK

This issue has been addressed through improved enforcement of iframe sandboxing policies. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, and Security Update 2021-001 Mojave. Maliciously crafted web content may violate iframe sandboxing policies...

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-2026-8563

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...

GHSA-4VRC-M9CH-6M3R 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...

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...

EUVD-2026-30380

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...

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...