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TI-2019-13680 Aliases CVE-2019-18987GHSA-2qx5-c394-4qm8

An issue was discovered in the AbuseFilter extension through 1.34 for MediaWiki.

Priority LOW 26CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-200.

Summary

An issue was discovered in the AbuseFilter extension through 1.34 for MediaWiki. Once a specific abuse filter has (accidentally or otherwise) been made public, its previous versions can be exposed, thus potentially disclosing private or sensitive information within the filter's definition.

Why it matters now

EPSS 0.01114 66th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:mediawiki:abusefilter:*:*:*:*:*:mediawiki:*:*up to 1.34Vulnerablemediawiki
  • cpe:2.3:a:mediawiki:abusefilter:*:*:*:*:*:mediawiki:*:* Versions up to 1.34 Vulnerable ·mediawiki

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-18987
  2. 2026-10-03 Alias added: GHSA-2qx5-c394-4qm8

References

Patch 2

Advisory 1

  • TI-2019-12391 An issue was discovered in the AbuseFilter extension for MediaWiki. CVSS 3.1HIGH 7.5
  • TI-2019-13461 An issue was discovered in the AbuseFilter extension through 1.34 for MediaWiki. CVSS 3.1MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences