{"id":37775,"date":"2025-05-13T13:31:24","date_gmt":"2025-05-13T13:31:24","guid":{"rendered":""},"modified":"2025-09-11T00:30:51","modified_gmt":"2025-09-11T06:30:51","slug":"cve-2025-3844-critical-authentication-bypass-vulnerability-in-peprodev-ultimate-profile-solutions-plugin-for-wordpress","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-3844-critical-authentication-bypass-vulnerability-in-peprodev-ultimate-profile-solutions-plugin-for-wordpress\/","title":{"rendered":"<strong>CVE-2025-3844: Critical Authentication Bypass Vulnerability in PeproDev Ultimate Profile Solutions Plugin for WordPress<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A critical vulnerability, tracked as CVE-2025-3844, has been identified in the PeproDev Ultimate Profile Solutions plugin for WordPress. This vulnerability pertains to a weakness in the authentication process, specifically the change_user_meta functionality, that could allow an unauthenticated attacker to bypass the login process and gain unauthorized access to user accounts, including those of administrators. This could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4050-heap-corruption-in-google-chrome-devtools-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"43070\">potentially lead to system<\/a> compromise or data leakage, posing a significant risk to the privacy and security of website users.<br \/>\nWith a CVSS severity score of 9.8, this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4150-critical-buffer-overflow-vulnerability-in-netgear-ex6200-1-0-3-94\/\"  data-wpil-monitor-id=\"42448\">vulnerability is deemed to be of critical<\/a> severity and should be addressed immediately. The widespread usage of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-13418-critical-arbitrary-file-upload-vulnerability-in-multiple-wordpress-plugins-and-themes\/\"  data-wpil-monitor-id=\"42932\">WordPress and the affected plugin<\/a> underscores the urgent need for mitigation actions.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-3844<br \/>\nSeverity: Critical (CVSS: 9.8)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4372-webaudio-heap-corruption-in-google-chrome-a-potential-gateway-to-system-compromise-and-data-leakage\/\"  data-wpil-monitor-id=\"43906\">System compromise<\/a>, data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2238962167\" class=\"ameeb-content-2 ameeb-entity-placement\"><div style=\"border-left: 4px solid #555; padding-left: 20px; margin: 48px 0; font-family: Roboto, sans-serif; color: #ffffff; line-height: 1.6; max-width: 700px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 20px; font-weight: 600; display: flex; align-items: center;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 8px;\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.ameeba.com\/blog\/wp-content\/uploads\/2025\/10\/Best-App-icon-Ameeba.png\" alt=\"Ameeba Chat Icon\" style=\"width: 40px; height: 40px;\" \/>\r\n    <\/a>\r\n    A new way to communicate\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 12px;\">\r\n    Ameeba Chat is built on encrypted identity, not personal profiles.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 16px;\">\r\n    Message, call, share files, and coordinate with identities kept separate.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 20px;\">\r\n    <li>\u2022 Encrypted identity<\/li>\r\n    <li>\u2022 Ameeba Chat authenticates access<\/li>\r\n    <li>\u2022 Aliases and categories<\/li>\r\n    <li>\u2022 End-to-end encrypted chat, calls, and files<\/li>\r\n    <li>\u2022 Secure notes for sensitive information<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px;\">\r\n    Private communication, rethought.\r\n  <\/p>\r\n\r\n  <div style=\"display: flex; flex-wrap: wrap; gap: 12px;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\/download\" style=\"background-color: #ffffff; color: #000000; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Download Ameeba Chat<\/a>\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Learn More<\/a>\r\n  <\/div>\r\n<\/div>\r\n<\/div>\n<p>Product | Affected Versions<\/p>\n<p><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3921-unauthorized-modification-of-data-in-peprodev-ultimate-profile-solutions-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"43905\">PeproDev Ultimate Profile Solutions Plugin<\/a> for WordPress | 1.9.1 to 7.5.2<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The vulnerability lies in the handel_ajax_req() function of the PeproDev Ultimate <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9693-arbitrary-file-deletion-vulnerability-in-user-meta-user-profile-builder-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"90548\">Profile Solutions plugin<\/a>. Due to improper restrictions on the change_user_meta functionality, an attacker can set an OTP (One-Time Password) code and subsequently use that <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54997-unauthorized-code-execution-in-openbao-through-log-prefix-manipulation\/\"  data-wpil-monitor-id=\"81632\">code to log<\/a> in. This allows the attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32011-authentication-bypass-vulnerability-in-kunbus-pictory\/\"  data-wpil-monitor-id=\"42916\">bypass the authentication<\/a> process and login as any user on the site, including administrators, thus gaining unfettered access to the system and potentially sensitive data.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3789379325\" class=\"ameeb-content ameeb-entity-placement\"><div class=\"poptin-embedded\" data-id=\"f6b387694f681\"><\/div>\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\n<p>The following pseudocode illustrates a potential exploit:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/wp-admin\/admin-ajax.php?action=peprodev_ultimate_profile_solutions HTTP\/1.1\nHost: targetwebsite.com\nContent-Type: application\/x-www-form-urlencoded\nuser_id=victim_user_id&amp;user_meta_key=otp_for_login&amp;user_meta_value=attacker_generated_otp<\/code><\/pre>\n<p>In this conceptual example, the attacker sends a POST <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1305-cross-site-request-forgery-csrf-vulnerability-in-newsblogger-wordpress-theme\/\"  data-wpil-monitor-id=\"42521\">request to the vulnerable<\/a> endpoint, setting the user_meta_key to &#8216;otp_for_login&#8217; and the user_meta_value to a value of their choice. This allows the attacker to log in as the specified user_id with the OTP they have set.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3054-arbitrary-file-upload-vulnerability-in-wp-user-frontend-pro-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"59225\">Users of the affected plugin<\/a> are strongly advised to apply the vendor-supplied patch immediately. Until the patch can be applied, temporary mitigation can be achieved by using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-38657-out-of-bounds-write-vulnerability-in-gtkwave-lxt2-zlib-block-decompression\/\"  data-wpil-monitor-id=\"43157\">block attempts to exploit the vulnerability<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A critical vulnerability, tracked as CVE-2025-3844, has been identified in the PeproDev Ultimate Profile Solutions plugin for WordPress. This vulnerability pertains to a weakness in the authentication process, specifically the change_user_meta functionality, that could allow an unauthenticated attacker to bypass the login process and gain unauthorized access to user accounts, including those of administrators. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[75],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-37775","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-authentication-bypass"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/37775","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/comments?post=37775"}],"version-history":[{"count":10,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/37775\/revisions"}],"predecessor-version":[{"id":83492,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/37775\/revisions\/83492"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=37775"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=37775"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=37775"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=37775"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=37775"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=37775"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=37775"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=37775"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=37775"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}