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

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.