Description
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.
Remediation
References
Related Vulnerabilities
Joomla Missing Authorization Vulnerability (CVE-2019-18674)
WordPress Plugin YARPP-Yet Another Related Posts Local File Inclusion (5.30.3)
MySQL CVE-2021-2002 Vulnerability (CVE-2021-2002)
Jboss EAP Deserialization of Untrusted Data Vulnerability (CVE-2017-17485)
WordPress Plugin WP No External Links Spam Injection (4.2.2)