Security readout for executives and security teams
This vulnerability let remote users bypass MediaWiki GlobalBlocking IP restrictions and create accounts that should have been blocked. It affects MediaWiki before 1.18.5 and 1.19.x before 1.19.2. The business impact is control failure on public wiki registration, not documented code execution. Exposure is most likely on internet-facing MediaWiki sites running versions before 1.18.5 or 1.19.x before 1.19.2 that rely on GlobalBlocking to prevent account creation from blocked IP addresses. Treat this as a targeted remediation item for legacy MediaWiki systems. Prioritize public wikis that use IP blocking to control abuse, spam, or sanctions-sensitive access. Mitigation focus: Upgrade MediaWiki to 1.18.5, 1.19.2, or a later supported release.; Confirm the GlobalBlocking extension is updated with the MediaWiki security release.; Review vendor and distribution advisories before relying on package backports..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2012-4380 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- [MediaWiki-announce] 20120831 MediaWiki security release: 1.19.2 and 1.18.5CVE reference · mailing-list, x_refsource_MLIST
- https://bugzilla.redhat.com/show_bug.cgi?id=853440CVE reference · x_refsource_CONFIRM
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330CVE reference · x_refsource_MISC
- https://phabricator.wikimedia.org/T41824CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.