CVE-2025-23078: XSS in BreadCrumbs2

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-01-10 · updated 2026-06-17
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - Breadcrumbs2 extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - Breadcrumbs2 extension: from 1.39.X before 1.39.11, from 1.41.X before 1.41.5, from 1.42.X before 1.42.4.

Affected products

Wikimedia Foundation Mediawiki - Breadcrumbs2 extension: from 1.39.x before 1.39.11; from 1.41.x before 1.41.5; from 1.42.x before 1.42.4 — fixed in 1.39.11, 1.41.5, 1.42.4

How to fix

Upgrade to a fixed version: Wikimedia Foundation Mediawiki - Breadcrumbs2 extension 1.39.11, 1.41.5, 1.42.4. Check the vendor advisory for mitigations.

References

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