How severe is CVE-2005-4879?

CVE-2005-4879 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2005-4879 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-4879?

CVE-2005-4879 primarily affects Jax Scripts Jax Guestbook. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-4879?

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

When was CVE-2005-4879 published?

CVE-2005-4879 was published on 2009-03-31 and last updated on 2026-06-16.

CVE-2005-4879

CVE-2005-4879 is a medium-severity vulnerability in Jax Scripts Jax Guestbook with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Jax Scripts Jax Guestbook
Published: 2009-03-31
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2005-4879?: 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.
How severe is CVE-2005-4879?: CVE-2005-4879 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2005-4879 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-4879?: CVE-2005-4879 primarily affects Jax Scripts Jax Guestbook. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-4879?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-4879 published?: CVE-2005-4879 was published on 2009-03-31 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:jax_scripts:jax_guestbook:3.1:*:*:*:*:*:*:*
cpe:2.3:a:jax_scripts:jax_guestbook:3.31:*:*:*:*:*:*:*

More vulnerabilities in Jax Scripts Jax Guestbook

CVE-2009-4447 — High (CVSS 7.5): Jax Guestbook 3.5.0 allows remote attackers to bypass authentication and modify administrator settings via a direct…
CVE-2006-1913 — Medium (CVSS 6.8): Cross-site scripting (XSS) vulnerability in jax_guestbook.php in Jax Guestbook 3.1, 3.31, and 3.50 allows remote…
CVE-2005-4880 — Medium (CVSS 5.0): Jax Guestbook 3.1 and 3.31 stores sensitive information under the web root with insufficient access control, which…

All CVEs affecting Jax Scripts Jax Guestbook →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →