CVE-2005-4454 EXPLOIT
4.3
MEDIUM · CVSS 2.0 · EPSS 2.1% (pctl 81)
Patch early
A public exploit exists.
Description
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.
Scoring
| CVSS | 4.3 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| EPSS | 2.12% — more likely to be exploited than 81% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2005-12-21 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| livejournal | livejournal |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | LiveJournal - Cleanhtml.pl HTML Injection | 2005-12-20 |
References
- http://archives.neohapsis.com/archives/fulldisclosure/2005-12/1000.html
- http://cvs.livejournal.org/browse.cgi/livejournal/cgi-bin/cleanhtml.pl
- http://marc.info/?l=full-disclosure&m=113504421421972&w=2
- http://secunia.com/advisories/18157
- http://www.osvdb.org/21896
- http://www.securityfocus.com/bid/15990
- https://exchange.xforce.ibmcloud.com/vulnerabilities/23839
- http://archives.neohapsis.com/archives/fulldisclosure/2005-12/1000.html
- http://cvs.livejournal.org/browse.cgi/livejournal/cgi-bin/cleanhtml.pl
- http://marc.info/?l=full-disclosure&m=113504421421972&w=2
- http://secunia.com/advisories/18157
- http://www.osvdb.org/21896
- http://www.securityfocus.com/bid/15990
- https://exchange.xforce.ibmcloud.com/vulnerabilities/23839
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