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Wordfence PRISM Detected Backdoored WordPress Plugin within Two Hours of it Being Introduced

highwordfencePublished 2026-07-28

<p>On July 28th, 2026, our autonomous AI vulnerability intelligence agent, <a href="https://www.wordfence.com/threat-intel/vulnerabilities/researchers/id/6344">Wordfence PRISM</a>, identified a critical Authentication Bypass backdoor in Advanced Responsive Video Embedder, a WordPress plugin with approximately 20,000 active installations, less than two hours after the malicious code was introduced.

MITRE ATT&CK techniques

Indicators of compromise

Original source: https://www.wordfence.com/blog/2026/07/wordfence-prism-detected-backdoored-wordpress-plugin-within-two-hours-of-it-being-introduced/