{"id":29337,"date":"2025-04-22T20:46:47","date_gmt":"2025-04-22T20:46:47","guid":{"rendered":""},"modified":"2025-05-15T23:18:20","modified_gmt":"2025-05-15T23:18:20","slug":"cve-2025-2563-privilege-escalation-vulnerability-in-user-registration-membership-wordpress-plugin","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-2563-privilege-escalation-vulnerability-in-user-registration-membership-wordpress-plugin\/","title":{"rendered":"<strong>CVE-2025-2563: Privilege Escalation Vulnerability in User Registration &#038; Membership WordPress Plugin<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>CVE-2025-2563 is a critical vulnerability that affects the User Registration &#038; Membership WordPress plugin. If exploited, it can lead to a privilege escalation issue, allowing unauthenticated users to gain admin privileges. This makes it a grave <a href=\"https:\/\/www.ameeba.com\/blog\/shifting-national-security-guardrails-under-trump-administration-cybersecurity-implications\/\"  data-wpil-monitor-id=\"33791\">security concern for website administrators<\/a> and owners who employ this plugin for their WordPress sites. The vulnerability directly endangers the integrity of affected systems, with <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-50350-broken-cryptographic-algorithm-leads-to-potential-data-leakage-in-hcl-dryice-myxalytics\/\"  data-wpil-monitor-id=\"33674\">potential system compromise or data leakage<\/a> being the major risks involved.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-2563<br \/>\nSeverity: High (8.1)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-52304-stack-overflow-vulnerability-in-paddlepaddle-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"34036\">Potential system<\/a> compromise or data leakage, privilege escalation<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3764155082\" 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: 720px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 22px; font-weight: 600; display: flex; align-items: center; letter-spacing: -0.02em;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 10px;\">\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: 42px; height: 42px;\" \/>\r\n    <\/a>\r\n    Share secrets securely\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 14px; color: #d1d5db;\">\r\n    Ameeba is private infrastructure for communication and sensitive work built on encrypted identity instead of exposed corporate identity systems.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 18px; color: #a1a1aa;\">\r\n    Passwords, credentials, confidential files, screenshots, internal discussions, sensitive AI context, and private coordination should not become exposed across ordinary communication platforms.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 24px; color: #e4e4e7;\">\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Encrypted identity<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Private Spaces for organizations and teams<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 End-to-end encrypted chat, calls, files, and notes<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Sensitive AI work and protected collaboration<\/li>\r\n    <li>\u2022 Built for information that cannot leak<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px; color: #ffffff;\">\r\n    Our mission is to secure human work alongside AI.\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: 8px; font-weight: 500;\">\r\n      Download Ameeba\r\n    <\/a>\r\n\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 8px; font-weight: 500;\">\r\n      Learn More\r\n    <\/a>\r\n  <\/div>\r\n<\/div><\/div>\n<p>Product | Affected Versions<\/p>\n<p>User Registration &#038; Membership <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-6220-piotnet-forms-plugin-vulnerability-in-wordpress-allows-arbitrary-file-uploads\/\"  data-wpil-monitor-id=\"34536\">WordPress Plugin<\/a> | Before 4.1.2<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>CVE-2025-2563 is a privilege <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3418-privilege-escalation-vulnerability-in-wpc-admin-columns-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"33552\">escalation vulnerability<\/a> that occurs due to inadequate access control in the User Registration &#038; Membership WordPress plugin. Specifically, the plugin does not prevent <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3278-privilege-escalation-vulnerability-in-urbango-membership-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"37490\">users<\/a> from setting their account role when the Membership Addon is enabled. This flaw can be exploited by unauthenticated users who can manipulate the account creation process to assign themselves admin privileges, thereby gaining <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-5881-unauthorized-access-vulnerability-in-the-genie-company-aladdin-connect\/\"  data-wpil-monitor-id=\"33994\">unauthorized access<\/a> to the system or data.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-249561150\" 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>Here is a conceptual example of how an HTTP request <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-50123-exploitable-vulnerability-in-hozard-alarm-system-sms-authentication\/\"  data-wpil-monitor-id=\"34953\">exploiting the vulnerability<\/a> might look:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/wp-admin\/admin-ajax.php?action=ur_ajax_register HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\nuser_login=victim&amp;user_email=victim@example.com&amp;user_pass=password&amp;role=administrator<\/code><\/pre>\n<p>This example demonstrates an attempt to register a new user with &#8216;<a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-26959-privilege-escalation-vulnerability-in-quy-le-91-administrator-z\/\"  data-wpil-monitor-id=\"34983\">administrator&#8217; privileges<\/a>. Note that the specific payload and endpoint will depend on the actual configuration and version of the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-2007-wordpress-plugin-vulnerability-leads-to-arbitrary-file-deletion-and-potential-system-compromise\/\"  data-wpil-monitor-id=\"34602\">WordPress site and plugin<\/a>.<\/p>\n<p><strong>Mitigations<\/strong><\/p>\n<p>To mitigate this vulnerability, users are advised to update the User Registration &#038; Membership <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-52200-cross-site-request-forgery-csrf-leading-to-php-object-injection-in-armember-wordpress-plugin\/\"  data-wpil-monitor-id=\"35371\">WordPress plugin<\/a> to version 4.1.2 or later. As a temporary mitigation strategy, users may also employ a Web Application Firewall (WAF) or Intrusion Detection System (IDS) to detect and <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=\"43177\">block attempts to exploit this vulnerability<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2025-2563 is a critical vulnerability that affects the User Registration &#038; Membership WordPress plugin. If exploited, it can lead to a privilege escalation issue, allowing unauthenticated users to gain admin privileges. This makes it a grave security concern for website administrators and owners who employ this plugin for their WordPress sites. The vulnerability directly [&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":[76],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-29337","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-privilege-escalation"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/29337","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=29337"}],"version-history":[{"count":12,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/29337\/revisions"}],"predecessor-version":[{"id":38527,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/29337\/revisions\/38527"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=29337"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=29337"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=29337"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=29337"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=29337"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=29337"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=29337"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=29337"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=29337"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}