CVE-2005-4454: Livejournal

Medium severity, CVSS 4.3. EPSS: 2.1% chance of exploitation in the next 30 days.

Validate-before-filter vulnerability in cleanhtml.pl 1.129 in LiveJournal CVS before Dec 7 2005, when the cleancss option is enabled, allows remote attackers to conduct cross-site scripting (XSS) attacks via a "\" (backslash) within a "javascript" scheme in a style property (such as "javas\cript"), which bypasses the "javascript" check before the "\" is stripped and then rendered in web browsers that allow scripting in style sheets.

Affected products

• Livejournal Livejournal: any version

Published 2005-12-21. Last modified 2026-06-16.