CVE-2025-15693: Unknown Jch Optimize

Low severity, CVSS 2.7. EPSS: 0.3% chance of exploitation in the next 30 days.

The JCH Optimize WordPress plugin before 5.0.1 does not properly restrict a directory path provided to one of its administrative image-browsing features to within the site, allowing high-privilege users, administrators on single-site and sub-site administrators on multisite, to enumerate directories and file names outside the web root.

Affected products

• Unknown Jch Optimize: from 4.2.1, before 5.0.1 (fixed in 5.0.1)

Published 2026-09-05. Last modified 2026-09-08.