Security readout for executives and security teams
Plain-English summary
This flaw affected some MediaWiki installations and could let a remote attacker trigger cross-site scripting by manipulating a revision content model. Business impact depends on whether the vulnerable versions and the $wgContentHandlerUseDB setting were in use.
Executive priority
Treat as a targeted legacy-platform cleanup item. Prioritize externally exposed MediaWiki systems and any old wiki still carrying business-sensitive content or authenticated users.
Technical view
CVE-2014-9507 is an XSS issue in MediaWiki 1.21.x, 1.22.x before 1.22.14, and 1.23.x before 1.23.7 when $wgContentHandlerUseDB is enabled. The described vector is setting a revision content model to JS.
Likely exposure
Exposure is limited to MediaWiki deployments on the named versions with $wgContentHandlerUseDB enabled. The bundle does not identify other affected products or deployment patterns.
Exploitation context
The provided sources do not show active exploitation, and the CVE is not flagged as CISA KEV. The issue is remotely reachable in affected configurations but requires the specific content-handler database behavior.
Researcher notes
The source bundle gives a concise affected-version and configuration condition but limited exploit mechanics. Avoid broad assumptions: validate exact MediaWiki branch, setting state, and security release level before rating local risk.
Mitigation direction
- Upgrade affected 1.22.x deployments to MediaWiki 1.22.14 or later.
- Upgrade affected 1.23.x deployments to MediaWiki 1.23.7 or later.
- Check Wikimedia guidance for unsupported or 1.21.x deployments.
- Review whether $wgContentHandlerUseDB is enabled and still required.
Validation and detection
- Inventory MediaWiki versions across public and internal wiki deployments.
- Check configuration for $wgContentHandlerUseDB usage.
- Review upgrade status against Wikimedia's November 2014 security release notice.
- Confirm no unpatched affected branch remains internet-accessible.
Public sources used
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2014-9507 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
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://phabricator.wikimedia.org/T72901CVE reference · x_refsource_CONFIRM
- [MediaWiki-announce] 20141127 MediaWiki Security and Maintenance Releases: 1.23.7, 1.22.14 and 1.19.22CVE reference · mailing-list, x_refsource_MLIST
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.