cleanhtml.pl 1.129 in LiveJournal CVS before Dec 13 2005 allows remote attackers to inject scripting languages via the XSL namespace in XML, via vectors such as customview.cgi.
Conclusion & alert: CVE-2005-4455 is rated Low Risk (38.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.34%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-03-30 | 0.38% | 0.34% | -0.04% |
| 2 | 2025-03-29 | 0.32% | 0.38% | +0.06% |
| 3 | 2025-03-17 | — | 0.32% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| livejournal | livejournal | — | cpe:2.3:a:livejournal:livejournal:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://cvs.livejournal.org/browse.cgi/livejournal/cgi-bin/cleanhtml.pl | |
| http://secunia.com/advisories/18157 | Patch Vendor Advisory |