CVE-2026-91072EPSS p5.4%

CVE-2026-91072CVE-2026-91072

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.

Scoring

CVSS 4.4 ()
VectorCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L
EPSS0.17% probability of exploitation · percentile 5.4% · 2026-10-05T12:00:23Z
Last modified2026-09-30
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.