How severe is CVE-2008-4408?

CVE-2008-4408 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2008-4408 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-4408?

CVE-2008-4408 primarily affects Mediawiki. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-4408?

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

When was CVE-2008-4408 published?

CVE-2008-4408 was published on 2008-10-03 and last updated on 2026-06-16.

CVE-2008-4408

CVE-2008-4408 is a medium-severity vulnerability in Mediawiki 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% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mediawiki
Published: 2008-10-03
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in MediaWiki 1.13.1, 1.12.0, and possibly other versions before 1.13.2 allows remote attackers to inject arbitrary web script or HTML via the useskin parameter to an unspecified component.

Frequently asked questions

What is CVE-2008-4408?: Cross-site scripting (XSS) vulnerability in MediaWiki 1.13.1, 1.12.0, and possibly other versions before 1.13.2 allows remote attackers to inject arbitrary web script or HTML via the useskin parameter to an unspecified component.
How severe is CVE-2008-4408?: CVE-2008-4408 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2008-4408 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-4408?: CVE-2008-4408 primarily affects Mediawiki. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-4408?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-4408 published?: CVE-2008-4408 was published on 2008-10-03 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:mediawiki:mediawiki:1.12.0:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.13.1:*:*:*:*:*:*:*

More vulnerabilities in Mediawiki

CVE-2025-67484 — Critical (CVSS 9.8): Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files…
CVE-2024-34502 — Critical (CVSS 9.8): An issue was discovered in WikibaseLexeme in MediaWiki before 1.39.6, 1.40.x before 1.40.2, and 1.41.x before 1.41.1.…
CVE-2023-37303 — Critical (CVSS 9.8): An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. In certain situations, an attempt to…
CVE-2023-29141 — Critical (CVSS 9.8): An issue was discovered in MediaWiki before 1.35.10, 1.36.x through 1.38.x before 1.38.6, and 1.39.x before 1.39.3. An…
CVE-2022-29906 — Critical (CVSS 9.8): The admin API module in the QuizGame extension for MediaWiki through 1.37.2 (before…
CVE-2022-29904 — Critical (CVSS 9.8): The SemanticDrilldown extension for MediaWiki through 1.37.2 (before e688bdba6434591b5dff689a45e4d53459954773) allows…

All CVEs affecting Mediawiki →

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 →