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TI-2023-24320 Aliases CVE-2023-45362GHSA-vpqp-jxq3-5x89

An issue was discovered in DifferenceEngine.php in MediaWiki before 1.35.12, 1.36.x…

Priority LOW 21Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · None · None
Fix status
Will not fix Red Hat: no fix planned

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.

Summary

An issue was discovered in DifferenceEngine.php in MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. diff-multi-sameuser (aka "X intermediate revisions by the same user not shown") ignores username suppression. This is an information leak.

Why it matters now

EPSS 0.0078 56th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Will not fix Red Hat: no fix planned

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*before 1.35.12; 1.36.0 to before 1.39.5Vulnerablemediawiki
cpe:2.3:a:mediawiki:mediawiki:1.40.0:-:*:*:*:*:*:*1.40.0Vulnerablemediawiki
cpe:2.3:a:mediawiki:mediawiki:1.40.0:rc0:*:*:*:*:*:*1.40.0 rc0Vulnerablemediawiki
  • cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* Versions before 1.35.12; 1.36.0 to before 1.39.5 Vulnerable ·mediawiki
  • cpe:2.3:a:mediawiki:mediawiki:1.40.0:-:*:*:*:*:*:* Versions 1.40.0 Vulnerable ·mediawiki
  • cpe:2.3:a:mediawiki:mediawiki:1.40.0:rc0:*:*:*:*:*:* Versions 1.40.0 rc0 Vulnerable ·mediawiki

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat OpenShift Container Platform 3.11AffectedNo fix planned: Out of support scope

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-45362
  2. 2026-10-03 Alias added: GHSA-vpqp-jxq3-5x89
  3. 2026-10-11 EPSS moved to the 50th–90th percentile

References

  • TI-2023-18933 An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. CVSS 3.1CRITICAL 9.8
  • TI-2023-13576 An issue was discovered in MediaWiki before 1.35.10, 1.36.x through 1.38.x before 1.38.6… CVSS 3.1CRITICAL 9.8
  • TI-2023-03312 Stored XSS leads to privilege escalation in MediaWiki v1.40.0 CVSS 3.1CRITICAL 9.0
  • TI-2026-42109 Cross-site request forgery in Wikimedia Foundation Mediawiki - RedirectManager Extension CVSS 4.0MEDIUM 6.9
  • TI-2024-22822 An issue was discovered in includes/CommentFormatter/CommentParser.php in MediaWiki… CVSS 3.1HIGH 7.4
  • TI-2023-18935 An issue was discovered in the ProofreadPage (aka Proofread Page) extension for MediaWiki… CVSS 3.1MEDIUM 5.3
See all 416 →

Sources