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Mediawiki - Datatransfer Extension
Wikimedia Foundation Mediawiki - Datatransfer Extension vulnerabilities
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wikimedia foundation
mediawiki - datatransfer extension
DataTransfer depends on phpspreadsheet version vulnerable to CVE-2026-59933 (XLS/OLE memory exhaustion)
CVE-2026-100242
7.5
High
September 29, 2026
wikimedia foundation
mediawiki - datatransfer extension
Various security vulnerabilities in Extension:DataTransfer
CVE-2025-23081
Fix available
6.1
Medium
January 14, 2025
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