{"id":17120,"date":"2026-09-05T02:30:46","date_gmt":"2026-09-04T18:30:46","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-85590"},"modified":"2026-09-05T02:30:46","modified_gmt":"2026-09-04T18:30:46","slug":"cve-2026-85590","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-85590","title":{"rendered":"CVE-2026-85590 &#8211; phpMyFAQ before 4.1.8 contains an authentication bypass vulnerability in its two-factor au"},"content":{"rendered":"<p>phpMyFAQ before 4.1.8 contains an authentication bypass vulnerability in its two-factor authentication (TOTP) disable functionality. The removeTwofactorConfig() handler (reachable via POST \/api\/user\/remove-twofactor) verifies only that the user is logged in and that a valid CSRF token is supplied, then disables TOTP without requiring password re-entry or a current TOTP code. The same downgrade is also reachable inline via PUT \/api\/user\/data\/update, which accepts a plain twofactor_enabled form field under the same session+CSRF-only guard. An attacker who has hijacked a user&#8217;s session can silently strip two-factor protection from any account, including administrator accounts, after which password-only authentication succeeds.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>phpMyFAQ before 4.1.8 contains an authentication bypass vulnerability in its two-factor authentication (TOTP) disable functionality. The removeTwofactorConfig() handler (reachable via POST \/api\/user\/r<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-17120","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/17120","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17120"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17120"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17120"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}