cvedb.io
CVE-2026-18322
HIGH · CVSS 8.8
EPSS exploitation probability: 0%
Published 2026-08-05T06:16:37.330 · Last modified 2026-08-05T06:16:37.330

Summary

The Smart Popup by Supsystic plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.12.0. This is due to a permission map collision in the `havePermissions()` function in `classes/frame.php`, where `array_merge()` overwrites the popup module's administrator-restricted method list with the base controller's value, silently removing `save` from protected actions; this is compounded by the subscription confirmation email embedding the same generic `pps_nonce` that the unauthenticated `wp_ajax_nopriv_save` endpoint accepts, and by the complete absence of any server-side role allowlist in `createWpSubscriber()`. This makes it possible for unauthenticated attackers to submit a crafted POST request to `admin-ajax.php` using a nonce obtained from a publi

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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.