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TI-2018-15471 Aliases CVE-2018-25246GHSA-9gpg-5wc9-g6h7

Wikipedia 12.0 Denial of Service via Search

Priority HIGH 77CWE-306Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-306.

Summary

Wikipedia 12.0 contains a denial of service vulnerability that allows unauthenticated attackers to crash the application by submitting oversized input through the search functionality. Attackers can paste a large buffer of repeated characters into the search bar to trigger an application crash.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00364 30th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
WikipediaWikipedia12.0—No fix listedCNA
  • Wikipedia VendorWikipedia Affected 12.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Exploit IntelligenceAffectedNo fix yet

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-25246
  2. 2026-10-03 Alias added: GHSA-9gpg-5wc9-g6h7

References

Exploit 1

Other 1

  • TI-2009-03913 Unspecified vulnerability in Wikipedia Toolbar extension before 0.5.9.2 for Firefox… CVSS 2.0HIGH 9.3

Sources

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