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NVD HIGH: CVE-2026-85682 — The YOP Poll plugin for WordPress is vulnerable to Origin Validation Error in al...

·Source: NIST NVD

Updated:

Executive Summary

The YOP Poll plugin for WordPress is vulnerable to Origin Validation Error in all versions up to, and including, 7.0.10. This is due to the plugin transmitting a wp_rest nonce to window.opener via postMessage() with a wildcard targetOrigin. This makes it possible for unauthenticated attackers to steal a REST nonce scoped to a logged-in Administrator and use it to change the Administrator's email a

Analysis

The YOP Poll plugin for WordPress is vulnerable to Origin Validation Error in all versions up to, and including, 7.0.10. This is due to the plugin transmitting a wp_rest nonce to window.opener via postMessage() with a wildcard targetOrigin. This makes it possible for unauthenticated attackers to steal a REST nonce scoped to a logged-in Administrator and use it to change the Administrator's email address and password, resulting in full account takeover. The Administrator must open an attacker-controlled page in order to exploit this vulnerability. CVSS Score: 8.8. Published: 2026-09-24T09:17:08.797.

Indicators of Compromise (1)

CVE (1)
CVE-2026-85682
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Sep 24, 2026. Verified by: NIST.

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