100,000 WordPress Sites Affected by Arbitrary File Upload Vulnerability in AI Engine WordPress Plugin
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📢 Calling all Vulnerability Researchers and Bug Bounty Hunters!📢 🌞 Spring into Summer with Wordfence! Now through August 4, 2025, earn 2X bounty rewards forall in-scope submissions from our ‘High Threat’ list in software with fewer than 5 million active installs. Bounties up to $31,200 per vulnerability. Submit bold. Earn big! On July 18th, 2025, we received a submission for an Arbitrary File Upload vulnerability in AI Engine, a WordPress plugin with more than 100,000 active installations. This vulnerability can be used by authenticated attackers, with subscriber-level access and above, to upload arbitrary files to a vulnerable site and achieve remote code execution, which is typically leveraged for a complete site takeover. Please note that this vulnerability only critically affects users who have enabled the “Public API” option in the settings, which is disabled by default, and have not configured authentication for the API. Props to ISMAILSHADOW who discovered and responsibly reported this vulnerability through the Wordfence Bug Bounty Program. This vulnerability was disclosed to our program just one day after it was introduced. This researcher earned a bounty of $1,170.00 for this discovery. Our mission is to secure WordPress through defense in depth, which is why we are investing in quality vulnerability research and collaborating with researchers of this caliber through our Bug Bounty Program. We are committed to making the WordPress ecosystem more secure through the…Read More

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