CVE-2026-91072

MEDIUMCVSS 4.4

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.

Timeline

Published:September 30th, 2026 6:17 AM

Last modified:September 30th, 2026 4:28 PM

CVSS Scoring

CVSS v3: 4.4 (MEDIUM)

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L

Weaknesses (CWE)

CWE-73

References & Reports

Advisories, patches, and third-party reports

https://wpscan.com/vulnerability/c77770c5-d1af-47f6-9aee-a50d4a919732/

Source: NIST NVD · Data may lag official sources by up to one minute