CVE-2025-23078

XSS in BreadCrumbs2

MEDIUM

6.5

CVSS Score

Published: January 10, 2025 at 05:57 PM UTC

Updated: June 17, 2026 at 08:51 AM UTC

1 product affected across 1 vendorBreadcrumbs2

Using Mediawiki - Breadcrumbs2 extension by Wikimedia Foundation?

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Severity

MEDIUM6.5

Exploit prediction

EPSS 0.3%

SSVC

PoC

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Breadcrumbs2 · Wikimedia

60%

1.39.x ≤ v < 1.39.111.41.x ≤ v < 1.41.51.42.x ≤ v < 1.42.41.39.x 1.41.x 1.42.x

Affected range stops below 1.39.11, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.41.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.42.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc

https://gerrit.wikimedia.org/r/q/I7878f8f7bc067080f80427b90f8d85337f172711

Source: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc

https://phabricator.wikimedia.org/T382043

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMCISA-ADP

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: LOW
Integrity: LOW
Availability: NONE

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-79

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