cvedb.io
CVE-2026-3643
HIGH · CVSS 7.2
EPSS exploitation probability: 0%
Published 2026-04-15T09:16:31.720 · Last modified 2026-06-17T10:43:54.830

Summary

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/update-app-config` with the `permission_callback` set to `__return_true`, which means no authentication or authorization check is performed. The `updateWidgetOptions()` function in `AdminApi.php` accepts user-supplied JSON data and passes it directly to `AccessiblyOptions::updateAppConfig()`, which saves it to the WordPress options table via `update_option()` without any sanitization or validation. The stored `widgetSrc` value is later retrieved by `AssetsManager::enqueueFrontendScripts()` and passed directly to `wp_enqueue_script()` as the script URL, caus

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.