Vulnerability · Published Sep 30, 2026 · Assigned by WPScan

CVE-2026-91072EWWW Image Optimizer < 8.8.0 - Admin+ WebP File Rename and Deletion via Unrestricted Path in WebP Migration Handler

Medium 4.4

In plain English

A medium-severity security flaw in EWWW Image Optimizer from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).

Severity (CVSS 3.1)4.4Medium

Exploit odds (30 days)0.2%top 93.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

The EWWW Image Optimizer WordPress plugin before 8.8.0 does not confine a WebP-derivative file migration routine to the current site's own uploads directory, letting an attacker with Administrator-level access rename or delete existing WebP-derivative image files outside that scope, including, on a multisite network, files belonging to a different site they have no access to.

Affected products (as reported)

Vendor	Product	Versions
Unknown	EWWW Image Optimizer	0 – before 8.8.0

Weakness: CWE-73 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L

References

https://wpscan.com/vulnerability/c77770c5-d1af-47f6-9aee-a50d4a919732/ exploit, vdb-entry, technical-description