CVE-2005-4454 json
Validate-before-filter vulnerability in cleanhtml.pl 1.129 in LiveJournal CVS before Dec 7 2005, when the cleancss option is enabled, allow…
published 2005-12-21 20 y ago modified 2026-06-16 4 mo ago also EUVD-2005-4449
- cvss
- 4.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.1%
- EPSS 2.1% chance of exploitation in 30 days, percentile 82%
- public exploits
- 1
- Exploit-DB
Summary
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.
Patch / fix
- secunia.com/advisories/18157 advisory
Timeline
- First public exploit (EDB-26917)
- Published
Exploit prediction
2.12% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-26917 LiveJournal - Cleanhtml.pl HTML Injection webapps, 2005-12-20
- securityfocus.com http://www.securityfocus.com/bid/15990 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
References
-
secunia.com
/advisories/18157
third-party-advisory, patch, vendor-advisory
-
securityfocus.com
/bid/15990
vdb-entry, exploit
-
osvdb.org
/21896
vdb-entry
-
marc.info
/?l=full-disclosure&m=113504421421972&w=2
mailing-list
-
exchange.xforce.ibmcloud.com
/vulnerabilities/23839
vdb-entry
- cvs.livejournal.org /browse.cgi/livejournal/cgi-bin/cleanhtml.pl
-
archives.neohapsis.com
/archives/fulldisclosure/2005-12/1000.html
mailing-list
Sources
- CVE List CVE-2005-4454
- NVD CVE-2005-4454
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.