CVE Catalog

CVE-2026-100243

MediumCVSS 6.1
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.16%

4th percentile - higher than 4% of all known CVEs

Summary

Stored XSS vulnerability in Wikimedia Foundation Mediawiki - WikiSEO Extension allows persistent script injection. Affects versions from * before 1.46.1, 1.45.5, 1.43.10.

Risk Assessment

The risk includes execution of malicious scripts in user browsers, potentially leading to session theft, account takeover, or spreading malicious content.

Recommendation

Update Mediawiki - WikiSEO Extension to version 1.46.1, 1.45.5, or 1.43.10 (or later) to remediate the vulnerability.

Related vulnerabilities

Original NVD description (English source)

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - WikiSEO Extension allows Stored XSS. This issue affects Mediawiki - WikiSEO Extension: from * before 1.46.1, 1.45.5, 1.43.10.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS