XSS in Optimole – Optimize Images In Real Time
CVE-2026-5217
The Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 4.2.2. This is due to insufficient input sa…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (14.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.
Affected products
- Optimole – Optimize Images In Real Time — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/50417068-339a-4ae5-9c90-8f08f…
- plugins.trac.wordpress.org/browser/optimole-wp/trunk/inc/rest.php
- plugins.trac.wordpress.org/browser/optimole-wp/trunk/inc/rest.php
- plugins.trac.wordpress.org/browser/optimole-wp/trunk/inc/tag_replacer.php
- plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.1/inc/tag_replacer.php
- plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.1/inc/rest.php
- plugins.trac.wordpress.org/browser/optimole-wp/tags/4.2.1/inc/rest.php
Frequently asked questions
- What is CVE-2026-5217?
- CVE-2026-5217 is a high-severity vulnerability in Optimole – Optimize Images In Real Time, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-04-11.
- How severe is CVE-2026-5217?
- High severity. CVSS v3 base score is 7.2 out of 10.