Security readout for executives and security teams
Older MediaWiki releases mishandled malformed SVG file sanitization. A remote attacker could submit invalid XML in SVG content with unspecified impact. The public record lacks CVSS, CWE, and detailed impact, so urgency depends on whether affected versions remain exposed to untrusted uploads. Exposure is most likely where old MediaWiki instances allow users or external parties to upload SVG files. Organizations without MediaWiki, without these version ranges, or without SVG upload paths are less likely exposed. Prioritize remediation for legacy MediaWiki systems that are internet-facing or permit user uploads. The lack of impact detail prevents precise severity scoring, but unsupported public wiki software with upload parsing flaws should not remain unpatched. Mitigation focus: Upgrade affected MediaWiki branches to 1.19.10, 1.21.4, 1.22.1, or later supported releases.; Prioritize internet-facing wikis and any wiki accepting untrusted file uploads.; Review MediaWiki vendor security guidance for any branch-specific upgrade 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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CVE-2013-6453 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
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Source materials
- CVE List V5 sourceCVE List V5
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CWE details
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