XSS in Optimizingmatters Autoptimize
CVE-2026-2430
The Autoptimize plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the lazy-loading image processing in all versions up to, and including, 3.1.14. This is due to the use of an overly permissive regular expression in the…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (15.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.
Affected products
- Optimizingmatters Autoptimize — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/ddc5c4d7-09dc-45bf-a3c7-5a075…
- plugins.trac.wordpress.org/browser/autoptimize/trunk/classes/autoptimizeImages…
- plugins.trac.wordpress.org/browser/autoptimize/tags/3.1.14/classes/autoptimizeI…
- github.com/futtta/autoptimize/commit/a0f87112fe80b5a97b036229c41cb18454392858
- plugins.trac.wordpress.org/changeset
Frequently asked questions
- What is CVE-2026-2430?
- CVE-2026-2430 is a medium-severity vulnerability in Optimizingmatters Autoptimize, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-03-20.
- How severe is CVE-2026-2430?
- Medium severity. CVSS v3 base score is 6.4 out of 10.