{"id":238459,"date":"2026-06-06T02:17:57","date_gmt":"2026-06-06T07:17:57","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/06\/hackers-exploit-critical-everest-forms-pro-wordpress-plugin-flaw-to-take-over-sites"},"modified":"2026-06-06T02:17:57","modified_gmt":"2026-06-06T07:17:57","slug":"hackers-exploit-critical-everest-forms-pro-wordpress-plugin-flaw-to-take-over-sites","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/06\/hackers-exploit-critical-everest-forms-pro-wordpress-plugin-flaw-to-take-over-sites","title":{"rendered":"Hackers Exploit Critical Everest Forms Pro WordPress Plugin Flaw to Take Over Sites"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/hackers-exploit-critical-everest-forms-pro-wordpress-plugin-flaw-to-take-over-sites.jpg\"><\/a><\/p>\n<p>Threat actors are actively exploiting a critical security flaw in Everest Forms Pro, a WordPress plugin with about 4,000 active installations, to execute arbitrary code, leading to a complete site compromise.<\/p>\n<p>The vulnerability in question is CVE-2026\u20133300 (CVSS score: 9.8), a remote code execution bug impacting all versions of the plugin up to, and including, 1.9.12. A patch for the flaw was released on March 18, 2026, with version 1.9.13.<\/p>\n<p>\u201cThis is due to the Calculation Addon\u2019s process_filter function concatenating user-submitted form field values into a PHP code string without proper escaping before passing it to eval,\u201d Wordfence <a href=\"https:\/\/www.wordfence.com\/blog\/2026\/06\/attackers-actively-exploiting-critical-vulnerability-in-everest-forms-pro-plugin\/\">said<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Threat actors are actively exploiting a critical security flaw in Everest Forms Pro, a WordPress plugin with about 4,000 active installations, to execute arbitrary code, leading to a complete site compromise. The vulnerability in question is CVE-2026\u20133300 (CVSS score: 9.8), a remote code execution bug impacting all versions of the plugin up to, and including, [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1492],"tags":[],"class_list":["post-238459","post","type-post","status-publish","format-standard","hentry","category-security"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/238459","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=238459"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/238459\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=238459"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=238459"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=238459"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}