CVE-2026-55661 TinaCMS rich-text (slatejson) rendering does not sanitize link/image URLs, allowing stored XSS via dangerous URL schemes

Tina is a headless content management system. In versions prior to @tinacms/mdx 2.1.7 and tinacms 3.9.3, rich-text parsing and the default link/image renderers did not sanitize the url field on Slate link/image nodes. Content containing javascript: or data:text/html URLs — including case-variant,...

GHSA-GJ48-438W-JH9V Bleach clean() / Cleaner() fails to sanitize dangerous URI schemes in allowed formaction attributes

Summary Bleach clean / Cleaner fails to sanitize dangerous URI schemes in allowed formaction attributes. Bleach applies URI protocol sanitization only to attributes listed in attrvalisuri. While URI-bearing attributes such as action, href, src, and poster are included in that set, formaction is...

Linux Distros Unpatched Vulnerability : CVE-2026-7186

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Stored cross-site scripting in the URL dashboard widget in Checkmk 2.5.0p5, 2.4.0p31, 2.3.0p48, and all 2.2.0 versions allows a user with dashboard editing...

CVE-2026-7186 Fix stored XSS in URL dashboard widget via dangerous URI schemes

Stored cross-site scripting in the URL dashboard widget in Checkmk 2.5.0p5, 2.4.0p31, 2.3.0p48, and all 2.2.0 versions allows a user with dashboard editing permissions to store a URL with a dangerous URI scheme such as javascript: that executes scripts in other users' browsers when they view the...

GHSA-C97M-VXHJ-P7J6 goldmark vulnerable to Cross-site Scripting (XSS)

Versions of the package github.com/yuin/goldmark/renderer/html before 1.7.17 are vulnerable to Cross-site Scripting XSS due to improper ordering of URL validation and normalization. The renderer validates link destinations using a prefix-based check IsDangerousURL before resolving HTML entities...

goldmark vulnerable to Cross-site Scripting (XSS)

Versions of the package github.com/yuin/goldmark/renderer/html before 1.7.17 are vulnerable to Cross-site Scripting XSS due to improper ordering of URL validation and normalization. The renderer validates link destinations using a prefix-based check IsDangerousURL before resolving HTML entities...

EUVD-2026-22836

Versions of the package github.com/yuin/goldmark/renderer/html before 1.7.17 are vulnerable to Cross-site Scripting XSS due to improper ordering of URL validation and normalization. The renderer validates link destinations using a prefix-based check IsDangerousURL before resolving HTML entities...

CVE-2026-5160

Versions of the package github.com/yuin/goldmark/renderer/html before 1.7.17 are vulnerable to Cross-site Scripting XSS due to improper ordering of URL validation and normalization. The renderer validates link destinations using a prefix-based check IsDangerousURL before resolving HTML entities...