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CVE-2025-62702

Stored XSS through system messages

MEDIUM
6.9
CVSS Score
Published: October 21, 2025 at 04:42 AM UTC
Updated: October 8, 2026 at 10:10 PM UTC
1 product affected across 1 vendorPageTriage

Using Mediawiki - PageTriage Extension by The Wikimedia Foundation?

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Severity
MEDIUM6.9
Exploit prediction
EPSS 0.4%
SSVC
PoC

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - PageTriage Extension allows Stored XSS.This issue affects Mediawiki - PageTriage Extension: from master before 1.44.

Affected

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

PageTriage· Wikimedia
90%
master ≤ v < 1.44master
Affected range stops below 1.44, 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: cverecord
https://phabricator.wikimedia.org/T400526
Source: cverecord
https://gerrit.wikimedia.org/r/q/I86c5f17364c7351e7c06ce4cc6e5592467bc8dc3

SSVC — Action Prioritization

SSVCPoCAutomatablePartial 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-79

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