W3c

13 CVEs across 9 W3c products. Browse W3c vulnerabilities, severities, and proof-of-concept exploits.

W3c products with known CVEs

ProductCVEs
Jigsaw3
Amaya Web Browser2
Cern Httpd2
Amaya1
CSS Validator1
CSS Validator1
Libwww1
Online-Spellchecker-Py1
Unicorn1
W3c CVEs — newest first
CVESeverityScorePublishedSummary
CVE-2025-1781Medium6.52025-03-28There 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 fo…
CVE-2014-125108Low3.12023-12-23A vulnerability was found in w3c online-spellchecker-py up to 20140130. It has been rated as problematic. This issue affects some unknown processing of the fil…
CVE-2021-4296Low3.52022-12-29A vulnerability, which was classified as problematic, has been found in w3c Unicorn. This issue affects the function ValidatorNuMessage of the file src/org/w3c…
CVE-2020-4070Medium4.62020-06-22In CSS Validator less than or equal to commit 54d68a1, there is a cross-site scripting vulnerability in handling URIs. A user would have to click on a specific…
CVE-2008-60052009-01-28Multiple 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 att…
CVE-2008-52822008-11-29Multiple 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 attribut…
CVE-2006-19002006-04-20Multiple 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 execu…
CVE-2005-31832005-10-12The HTBoundary_put_block function in HTBound.c for W3C libwww (w3c-libwww) allows remote servers to cause a denial of service (segmentation fault) via a crafte…
CVE-2004-22742004-12-31Unknown vulnerability in Jigsaw before 2.2.4 has unknown impact and attack vectors, possibly related to the parsing of the URI.
CVE-2002-10532002-10-04Cross-site scripting (XSS) vulnerability in W3C Jigsaw Proxy Server before 2.2.1 allows remote attackers to execute arbitrary script via a URL that contains a…
CVE-2002-10522002-10-04Jigsaw 2.2.1 on Windows systems allows remote attackers to use MS-DOS device names in HTTP requests to (1) cause a denial of service using the "con" device, or…
CVE-2002-14452002-08-12Cross-site scripting (XSS) vulnerability in CERN Proxy Server allows remote attackers to execute script as other users via a link to a non-existent page whose…
CVE-2000-00792000-01-18The W3C CERN httpd HTTP server allows remote attackers to determine the real pathnames of some commands via a request for a nonexistent URL.