CVE-2026-27469 Isso: Stored XSS via comment website field

Isso is a lightweight commenting server written in Python and JavaScript. In commits before 0afbfe0691ee237963e8fb0b2ee01c9e55ca2144, there is a stored Cross-Site Scripting XSS vulnerability affecting the website and author comment fields. The website field was HTML-escaped using quote=False, whi...

PT-2026-21366

Name of the Vulnerable Software and Affected Versions Isso versions prior to 0afbfe0691ee237963e8fb0b2ee01c9e55ca2144 Description Isso, a lightweight commenting server written in Python and JavaScript, contains a stored Cross-Site Scripting XSS issue. The website and author comment fields are...