CVE-2026-39838

CVE-2026-39838 affects the Wikimedia Foundation MediaWiki ProofreadPage extension . The flaw is due to improper neutralization of input during web page generation , enabling cross-site scripting (XSS) targeting Non-Script Elements. The CVE record notes the issue is tied to the ProofreadPage’s han...

DEBIAN-CVE-2013-4567

Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting XSS attacks via a \b backspace character in CSS...

CVE-2013-4567

Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting XSS attacks via a \b backspace character in CSS...

CVE-2013-4568

CVE-2013-4568 involves an incomplete blacklist in MediaWiki’s Sanitizer::checkCss, enabling remote XSS via certain non-ASCII CSS characters. Affected releases include MediaWiki 1.19.x up to 1.19.9, 1.20.x prior to 1.20.8, and 1.21.x prior to 1.21.3. Connected advisories (e.g., Debian DSA-2891/DSA...

CVE-2013-4567

Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting XSS attacks via a \b backspace character in CSS...

CVE-2013-4567

Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting XSS attacks via a \b backspace character in CSS...

CVE-2013-4568

Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting XSS attacks via certain non-ASCII characters in CSS, as demonstrated using variations of "expression"...

CVE-2013-4567

Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting XSS attacks via a \b backspace character in CSS...

CVE-2013-4568

Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting XSS attacks via certain non-ASCII characters in CSS, as demonstrated using variations of "expression"...

CVE-2013-4567: Undefined Security Weakness

Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting XSS attacks via a \b backspace character in CSS...

CVE-2013-4568: Undefined Security Weakness

Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting XSS attacks via certain non-ASCII characters in CSS, as demonstrated using variations of "expression"...

PT-2013-5078

Name of the Vulnerable Software and Affected Versions MediaWiki versions 1.19.x through 1.19.8 MediaWiki versions 1.20.x through 1.20.7 MediaWiki versions 1.21.x through 1.21.2 Description The issue allows remote attackers to conduct cross-site scripting XSS attacks via a b backspace character in...

PT-2011-3233

Name of the Vulnerable Software and Affected Versions MediaWiki versions prior to 1.16.3 Description The issue concerns the checkCss function in the wikitext parser, which fails to properly validate Cascading Style Sheets CSS token sequences. This allows remote attackers to conduct cross-site...

CVE-2011-1579: Improper Input Validation

The checkCss function in includes/Sanitizer.php in the wikitext parser in MediaWiki before 1.16.3 does not properly validate Cascading Style Sheets CSS token sequences, which allows remote attackers to conduct cross-site scripting XSS attacks or obtain sensitive information by using the \2f\2a an...