Is CVE-2005-4879 being actively exploited?

CVE-2005-4879 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2005-4879?

CVE-2005-4879 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2005-4879

MEDIUM · CVSS 4.3EPSS 1.5%EU EUVD

Multiple cross-site scripting (XSS) vulnerabilities in jax_guestbook.php in Jax Guestbook 3.1 and 3.31 allow remote attackers to inject arbitrary web script or HTML via the (1) gmt_ofs and (2) language parameters. NOTE: the page parameter is already covered by CVE-2006-1913. NOTE: it was later reported that 3.50 is also affected.

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness (CWE): CWE-79
EPSS score: 1.5% (75th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2005-4870)
Published: March 31, 2009
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2005-4870 in the EU Vulnerability Database. Last updated in EUVD on August 8, 2024.

View on the EU Vulnerability Database

Affected products

jax scripts / jax guestbook
jax scripts / jax guestbook

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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