CVE Catalog

CVE-2026-103443

LowCVSS 1.1
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.32%

23th percentile - higher than 23% of all known CVEs

Summary

XSS vulnerability in the Collection (Book) extension for MediaWiki. Improper neutralization of HTML tags allows XSS targeting non-script elements. Affects versions 1.46, 1.45, and 1.43.

Risk Assessment

Risk of malicious code execution in the user's browser, potentially leading to data theft or session hijacking.

Recommendation

Update the Collection (Book) extension to a version that includes the fix for HTML tag neutralization.

Related vulnerabilities

Original NVD description (English source)

Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki Collection (Book) extension allows XSS Targeting Non-Script Elements. This issue affects MediaWiki Collection (Book) extension: 1.46, 1.45, and 1.43.

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