{"id":38033,"date":"2025-05-14T07:46:18","date_gmt":"2025-05-14T07:46:18","guid":{"rendered":""},"modified":"2025-09-29T02:50:27","modified_gmt":"2025-09-29T08:50:27","slug":"cve-2025-3921-unauthorized-modification-of-data-in-peprodev-ultimate-profile-solutions-plugin-for-wordpress","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-3921-unauthorized-modification-of-data-in-peprodev-ultimate-profile-solutions-plugin-for-wordpress\/","title":{"rendered":"<strong>CVE-2025-3921: Unauthorized Modification of Data in PeproDev Ultimate Profile Solutions Plugin for WordPress<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity community has identified a dangerous vulnerability in the PeproDev Ultimate Profile Solutions plugin for WordPress that allows unauthorized data modification. This vulnerability, designated CVE-2025-3921, affects all versions of the plugin from 1.9.1 to 7.5.2. Given the widespread use 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=\"42941\">WordPress and the popularity of this plugin<\/a>, this vulnerability has the potential to impact a significant number of websites worldwide. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-2812-severe-sql-injection-vulnerability-in-mydata-informatics-ticket-sales-automation\/\"  data-wpil-monitor-id=\"42748\">severity of this vulnerability<\/a> is highlighted by its ability to block administrators from accessing their sites, potentially leading to system compromise or data leakage.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-3921<br \/>\nSeverity: High (8.2 CVSS Score)<br \/>\nAttack Vector: Remote<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: Unauthorized access to and modification of user data, <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=\"43100\">potential system<\/a> compromise and data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1281238297\" 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-2025-3844-critical-authentication-bypass-vulnerability-in-peprodev-ultimate-profile-solutions-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"45121\">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 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3918-privilege-escalation-vulnerability-in-job-listings-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"42963\">vulnerability lies in the &#8216;handel_ajax_req()&#8217; function of the plugin<\/a>, which lacks a capability check. This allows an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46191-unauthenticated-arbitrary-file-upload-vulnerability-in-sourcecodester-client-database-management-system\/\"  data-wpil-monitor-id=\"45277\">unauthenticated attacker to update arbitrary<\/a> user metadata. The most damaging potential outcome of this is the ability to set &#8216;wp_capabilities&#8217; to 0, effectively locking an administrator out of their own site.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-544195953\" 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>Below is a conceptual example of how this vulnerability could be exploited, using a malicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6162-critical-buffer-overflow-vulnerability-in-totolink-ex1200t-http-post-request-handler\/\"  data-wpil-monitor-id=\"86449\">HTTP POST request<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/wp-admin\/admin-ajax.php?action=peprodev_ultimate_profile_solutions_update HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ &quot;user_id&quot;: &quot;admin&quot;, &quot;meta_key&quot;: &quot;wp_capabilities&quot;, &quot;meta_value&quot;: &quot;0&quot; }<\/code><\/pre>\n<p>In this example, the attacker is setting the &#8216;wp_capabilities&#8217; of the &#8216;admin&#8217; user to &#8216;0&#8217;, thereby stripping the administrator of their privileges.<\/p>\n<p><strong>Recommendations for Mitigation<\/strong><\/p>\n<p>Users are recommended to apply the vendor patch as soon as <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54742-data-deserialization-vulnerability-in-wpevently-leading-to-possible-system-compromise\/\"  data-wpil-monitor-id=\"86448\">possible to mitigate this vulnerability<\/a>. In the interim, the use of a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as temporary measures to help guard against <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-29972-server-side-request-forgery-vulnerability-in-azure-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"45122\">potential attacks exploiting this vulnerability<\/a>. Regularly updating and patching software is a key part of maintaining a robust <a href=\"https:\/\/www.ameeba.com\/blog\/ireland-steps-up-in-global-cybersecurity-defense-an-in-depth-analysis\/\"  data-wpil-monitor-id=\"46675\">cybersecurity defense<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity community has identified a dangerous vulnerability in the PeproDev Ultimate Profile Solutions plugin for WordPress that allows unauthorized data modification. This vulnerability, designated CVE-2025-3921, affects all versions of the plugin from 1.9.1 to 7.5.2. Given the widespread use of WordPress and the popularity of this plugin, this vulnerability has the potential to [&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":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-38033","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/38033","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=38033"}],"version-history":[{"count":8,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/38033\/revisions"}],"predecessor-version":[{"id":79244,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/38033\/revisions\/79244"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=38033"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=38033"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=38033"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=38033"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=38033"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=38033"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=38033"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=38033"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=38033"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}