CVE-2026-18051

CVE-2026-18051 (CVSS 10): Unauthenticated Arbitrary File Write Hits 900k W3 Total Cache Sites

Do Son August 19, 2026

CVE-2026-18051 (CVSS 10) is an unauthenticated arbitrary file write in W3 Total Cache, exposing 900k+ WordPress sites. Update to 2.10.5.

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