XSS in Onthemapmarketing Accessibly – Wordpress Website Accessibility
CVE-2026-3643
The Accessibly plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the REST API in all versions up to, and including, 3.0.3. The plugin registers REST API endpoints at `/otm-ac/v1/update-widget-options` and `/otm-ac/v1/up…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.002 (39.2th 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
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/f8234ea2-ff80-425f-b83d-29c42…
- plugins.trac.wordpress.org/browser/otm-accessibly/trunk/public/Api/BaseApiContr…
- plugins.trac.wordpress.org/browser/otm-accessibly/tags/3.0.3/public/Api/BaseApi…
- plugins.trac.wordpress.org/browser/otm-accessibly/trunk/public/admin/AdminApi.p…
- plugins.trac.wordpress.org/browser/otm-accessibly/tags/3.0.3/public/admin/Admin…
- plugins.trac.wordpress.org/browser/otm-accessibly/trunk/public/Data/AccessiblyO…
- plugins.trac.wordpress.org/browser/otm-accessibly/tags/3.0.3/public/Data/Access…
- plugins.trac.wordpress.org/browser/otm-accessibly/trunk/public/AssetsManager.php
- plugins.trac.wordpress.org/browser/otm-accessibly/tags/3.0.3/public/AssetsManag…
Frequently asked questions
- What is CVE-2026-3643?
- CVE-2026-3643 is a high-severity vulnerability in Onthemapmarketing Accessibly – Wordpress Website Accessibility, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-04-15.
- How severe is CVE-2026-3643?
- High severity. CVSS v3 base score is 7.2 out of 10.