Threats tagged 'ghsa-c486-5fvq-fp3v'

CVE-2026-66829 is a low-severity open redirect vulnerability in the html_sanitize_ex library's HTML5 scrubber. It allows remote attackers to cause users to navigate to attacker-chosen sites via a <meta http-equiv="refresh"> element in sanitized HTML output. This is not a cross-site scripting issue, as script execution is not possible through this vector. The vulnerability affects versions from 0.3.1 up to but not including 1.5.3, including 1.5.0-rc.0. No official patch or fix is currently documented.