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CVE-2025-32078

XSSes and potential RCE in Special:VersionCompare

MEDIUM
6.9
CVSS Score
Published: April 11, 2025 at 04:24 PM UTC
Updated: June 17, 2026 at 09:11 AM UTC
1 product affected across 1 vendorVersionCompare

Using Mediawiki - Version Compare Extension by The Wikimedia Foundation?

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Severity
MEDIUM6.9
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

Improper Encoding or Escaping of Output vulnerability in The Wikimedia Foundation Mediawiki - Version Compare Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - Version Compare Extension: from 1.39 through 1.43.

Affected

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

VersionCompare· Wikimedia
60%
1.39 ≤ v ≤ 1.431.39

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/If901b3b98e615e1a4f4034d932d2d592000b51d0
Source: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
https://phabricator.wikimedia.org/T384269

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

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

CVSS

6.9MEDIUMwikimedia-foundation
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-116

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