CVE-2005-4454

Validate-before-filter vulnerability in cleanhtml.pl 1.129 in LiveJournal CVS before Dec 7 2005,...

4.3 MediumPublic exploit

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.

Exploit likelihood

2.12%Down 0.8 points since Feb 4, 2022

What each source reports

NVD Score used 4.3

Record: CVE-2005-4454
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Updated: 2026-11-02

CVE List No score

Record: CVE-2005-4454
Updated: 2026-11-02

EUVDEUVD-2005-4449 No score

Record: EUVD-2005-4449
Updated: 2026-11-03

GitHub AdvisoriesGHSA-6m34-8ff3-6cj3 No score

Validate-before-filter vulnerability in cleanhtml.pl 1.129 in LiveJournal CVS before Dec 7 2005,...

Record: GHSA-6m34-8ff3-6cj3
Updated: 2026-11-02

Affected products

livejournal

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	LiveJournal - Cleanhtml.pl HTML Injection	2005-12-20

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2005-4454 is a medium vulnerability (CVSS 4.3) in Livejournal, published December 21, 2005. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.12%, the 81st percentile. No source names a fixed version.