Vulnerabilities
Products Security index
Vulnerabilities
CVE-2026-50571
WebSub: Reflected script execution through intent-verification challenges
CVE-2025-1781
There is a XXE in W3CSS Validator versions before cssval-20250226 that allows an attacker to use specially-crafted XML objects to coerce server-side request forgery (SSRF). This could be exploited to read arbitrary local files if an attacker has access to exception messages.
CVE-2020-4070
Cross-site Scripting in CSS Validator
CVE-2008-6005
Multiple buffer overflows in the CheckUniqueName function in W3C Amaya Web Browser 10.0.1, and possibly other versions including 11.0.1, might allow remote attackers to execute arbitrary code via "duplicated" attribute value inputs.
CVE-2008-5282
Multiple stack-based buffer overflows in W3C Amaya Web Browser 10.0.1 allow remote attackers to execute arbitrary code via (1) a link with a long HREF attribute, and (2) a DIV tag with a long id attribute.
