Security readout for executives and security teams
This flaw affects old MediaWiki releases before 1.16.3. A CSS validation bug could let a remote attacker make malicious wiki content run script in a reader’s browser or expose sensitive information. The bundle does not show current active exploitation, but any internet-facing legacy MediaWiki instance should be treated as a cleanup priority. Exposure is most likely on MediaWiki installations older than 1.16.3, especially where remote or untrusted users can edit content that reaches the wikitext CSS sanitizer. The source bundle lists generic affected data only, so product/version scope beyond MediaWiki before 1.16.3 is incomplete. Prioritize remediation for legacy public wikis. The business risk is browser-side compromise or data exposure through trusted wiki pages, but the evidence bundle does not show active exploitation or modern widespread targeting. Mitigation focus: Upgrade MediaWiki to 1.16.3 or a supported later release.; Apply relevant distribution security updates from Fedora or Debian where applicable.; Review Wikimedia/MediaWiki security release guidance for deployment-specific notes..
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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Credential and access behavior lookup
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Open ATT&CK lookupCVE-2011-1579 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
- https://bugzilla.wikimedia.org/show_bug.cgi?id=28450CVE reference · x_refsource_CONFIRM
- mediawiki-css-data-xss(66738)CVE reference · vdb-entry, x_refsource_XF
- https://bugzilla.redhat.com/show_bug.cgi?id=696360CVE reference · x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=695577CVE 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.