CVE-2026-27384 PUBLISHED

WordPress W3 Total Cache plugin <= 2.9.1 - Arbitrary Code Execution vulnerability

Assigner: Patchstack
Reserved: 19.02.2026 Published: 05.03.2026 Updated: 05.03.2026

Improper Validation of Specified Quantity in Input vulnerability in BoldGrid W3 Total Cache w3-total-cache allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects W3 Total Cache: from n/a through <= 2.9.1.

Product Status

Vendor	BoldGrid
Product	W3 Total Cache
Versions	Default: unaffected affected from n/a to <= 2.9.1 (incl.)

Credits

CODE WHITE GmbH | Patchstack Bug Bounty Program finder

References

https://patchstack.com/database/Wordpress/Plugin/w3-total-cache/vulnerability/wordpress-w3-total-cache-plugin-2-9-1-arbitrary-code-execution-vulnerability?_s_id=cve

Problem Types

Improper Validation of Specified Quantity in Input CWE

Impacts

Accessing Functionality Not Properly Constrained by ACLs