Security readout for executives and security teams
This is an old cross-site scripting issue in MediaWiki versions before 1.4.2 when HTML Tidy is enabled. If a legacy wiki matches that condition, a remote attacker could inject script or HTML into pages. The sources do not provide the exact attack vector, severity score, or evidence of active exploitation. Exposure is most likely limited to legacy MediaWiki deployments older than 1.4.2 that still use HTML Tidy via $wgUseTidy. Modern MediaWiki deployments are unlikely to be affected unless they are running very old, unsupported code. Low urgency for modern environments, but moderate priority for organizations retaining legacy MediaWiki. Confirm whether any old public wiki exists; if yes, remediate promptly because XSS can affect user sessions, trust, and content integrity. Mitigation focus: Inventory MediaWiki deployments and identify any versions older than 1.4.2.; Check whether HTML Tidy is enabled through $wgUseTidy.; Upgrade affected MediaWiki installations to 1.4.2 or later where applicable..
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-2005-1245 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
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
- mediawiki-unknown-xss(20210)CVE reference · vdb-entry, x_refsource_XF
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.