CVE-2026-58025 | Wikimedia MediaWiki up to 1.45.x/1.45.3/1.44.5/1.43.8 WikiImporter.Php deserialization (Nessus ID 324021)

A vulnerability labeled as problematic has been found in Wikimedia MediaWiki up to 1.45.x/1.45.3/1.44.5/1.43.8. Affected by this issue is some unknown functionality of the file includes/Import/WikiImporter.Php. Executing a manipulation can lead to deserialization. The identification of this vulnerability is CVE-2026-58025. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.