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Wikimedia Foundation Mediawiki - DataTransfer Extension vulnerabilities

2 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 2 published in the last 12 months.

Check whether your Wikimedia Foundation Mediawiki - DataTransfer Extension version is affected

Latest Wikimedia Foundation Mediawiki - DataTransfer Extension vulnerabilities

• CVE-2026-100242 — DataTransfer depends on phpspreadsheet version vulnerable to CVE-2026-59933 (XLS/OLE memory exhaustion) (CVSS 7.5)
• CVE-2025-23081 — Various security vulnerabilities in Extension:DataTransfer (CVSS 6.1)