CVE Catalog

CVE-2025-62670

MediumCVSS 6.9
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.45%

37th percentile - higher than 37% of all known CVEs

Summary

The FlexDiagrams extension for MediaWiki is vulnerable to Stored XSS due to improper input neutralization during web page generation. This affects the master version of the extension.

Risk Assessment

An attacker can inject malicious scripts that execute in users' browsers, potentially leading to session theft, account takeover, or malware distribution.

Recommendation

Update the FlexDiagrams extension to a patched version or apply temporary measures such as input and output filtering.

Related vulnerabilities

Original NVD description (English source)

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - FlexDiagrams Extension allows Stored XSS.This issue affects Mediawiki - FlexDiagrams Extension: master.

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