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.

Last Modified: Aug 01, 2025

Published: Mar 28, 2025

CVE-2020-4070

Cross-site Scripting in CSS Validator

Last Modified: Nov 21, 2024

Published: Jun 22, 2020

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.

Last Modified: Apr 23, 2026

Published: Jan 28, 2009

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.

Last Modified: Apr 23, 2026

Published: Nov 29, 2008

CVE-2006-1900

Multiple buffer overflows in World Wide Web Consortium (W3C) Amaya 9.4, and possibly other versions including 8.x before 8.8.5, allow remote attackers to execute arbitrary code via a long value in (1) the COMPACT attribute of the COLGROUP element, (2) the ROWS attribute of the TEXTAREA element, and (3) the COLOR attribute of the LEGEND element; and via other unspecified attack vectors consisting of "dozens of possible snippets."

Last Modified: Apr 16, 2026

Published: Apr 20, 2006

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