How severe is CVE-2005-4455?

CVE-2005-4455 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2005-4455 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-4455?

CVE-2005-4455 affects Livejournal. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2005-4455?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2005-4455 published?

CVE-2005-4455 was published on 2005-12-21 and last updated on 2026-06-16.

CVE-2005-4455

CVE-2005-4455 is a medium-severity vulnerability in Livejournal with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Livejournal
Published: 2005-12-21
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2005-4455?: 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.
How severe is CVE-2005-4455?: CVE-2005-4455 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2005-4455 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-4455?: CVE-2005-4455 affects Livejournal. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-4455?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-4455 published?: CVE-2005-4455 was published on 2005-12-21 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:livejournal:livejournal:*:*:*:*:*:*:*:*

More vulnerabilities in Livejournal

CVE-2004-0310 — Medium (CVSS 6.8): Cross-site scripting (XSS) vulnerability in LiveJournal 1.0 and 1.1 allows remote attackers to execute Javascript as…
CVE-2005-4454 — Medium (CVSS 4.3): Validate-before-filter vulnerability in cleanhtml.pl 1.129 in LiveJournal CVS before Dec 7 2005, when the cleancss…

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