{"id":70526,"date":"2025-09-03T05:35:08","date_gmt":"2025-09-03T05:35:08","guid":{"rendered":""},"modified":"2025-09-14T19:05:36","modified_gmt":"2025-09-15T01:05:36","slug":"cve-2025-6366-critical-privilege-escalation-vulnerability-in-event-list-wordpress-plugin","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-6366-critical-privilege-escalation-vulnerability-in-event-list-wordpress-plugin\/","title":{"rendered":"<strong>CVE-2025-6366: Critical Privilege Escalation Vulnerability in Event List WordPress Plugin<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cyber threat landscape continually evolves, highlighting the significance of maintaining a robust cybersecurity posture. One such vulnerability, CVE-2025-6366, puts all versions of the Event List plugin for WordPress up to version 2.0.4 at risk. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53145-type-confusion-vulnerability-in-windows-message-queuing-allowing-remote-code-execution\/\"  data-wpil-monitor-id=\"78195\">vulnerability allows<\/a> authenticated users with Subscriber-level access to escalate their privileges to those of an administrator. This flaw could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8939-buffer-overflow-vulnerability-in-tenda-ac20-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"78269\">potentially lead to system<\/a> compromise or data leakage, thereby posing a significant risk to websites using this plugin.<br \/>\nThe severity of this issue necessitates immediate attention. If exploited, it could allow attackers to manipulate the WordPress environment, enabling them to execute <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49527-buffer-overflow-vulnerability-in-illustrator-leading-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"78173\">arbitrary code<\/a> or gain unauthorized access to sensitive data. As such, it&#8217;s crucial for <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8913-critical-local-file-inclusion-vulnerability-in-wellchoose-s-organization-portal-system\/\"  data-wpil-monitor-id=\"82413\">organizations to understand and mitigate this vulnerability<\/a> to safeguard their digital assets.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-6366<br \/>\nSeverity: Critical (8.8 CVSS)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: Low (Subscriber-level)<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47107-heap-based-buffer-overflow-vulnerability-in-incopy-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"78341\">System Compromise and Potential<\/a> Data Leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1631304715\" 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>Event List <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7384-php-object-injection-vulnerability-in-wordpress-plugin-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"79023\">WordPress Plugin<\/a> |<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6184-time-based-sql-injection-vulnerability-in-tutor-lms-pro-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"79108\">vulnerability arises from the Event List plugin\u2019s<\/a> failure to validate user capabilities correctly before updating their profile in the el_update_profile() function. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48581-critical-security-flaw-allowing-local-privilege-escalation-in-mainline-installations\/\"  data-wpil-monitor-id=\"87105\">flaw allows<\/a> an authenticated attacker, with Subscriber-level access and above, to manipulate their capabilities to those of an administrator. With the elevated privileges, the attacker could perform administrative-level tasks, potentially <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50160-heap-based-buffer-overflow-in-windows-rras-posing-system-compromise-risk\/\"  data-wpil-monitor-id=\"78498\">compromising the system<\/a> or causing data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-190539899\" 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>Conceptually, an attacker could exploit the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-24000-authentication-bypass-vulnerability-in-wpexperts-post-smtp-plugin\/\"  data-wpil-monitor-id=\"78958\">vulnerability via a forged HTTP POST<\/a> request to the profile update endpoint of the plugin:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/wp-admin\/admin-ajax.php?action=el_update_profile HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\nuser_id=attacker_id&amp;capabilities=a:1:{s:13:&quot;administrator&quot;;b:1;}<\/code><\/pre>\n<p>In this example, the attacker with user_id &#8220;attacker_id&#8221; is sending a request to update their profile with administrator capabilities. If successful, this would escalate their privileges to those of an administrator, granting them <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43592-a-critical-access-of-uninitialized-pointer-vulnerability-in-indesign-desktop\/\"  data-wpil-monitor-id=\"78220\">access to perform critical<\/a> actions within the WordPress environment.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>To mitigate this vulnerability, users are urged to apply the patch provided by the vendor as soon as possible. If the patch cannot be applied immediately, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as temporary mitigation. These systems can be configured to identify and block <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46414-unlimited-pin-attempts-vulnerability-in-api\/\"  data-wpil-monitor-id=\"81214\">attempts to exploit this vulnerability<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cyber threat landscape continually evolves, highlighting the significance of maintaining a robust cybersecurity posture. One such vulnerability, CVE-2025-6366, puts all versions of the Event List plugin for WordPress up to version 2.0.4 at risk. This vulnerability allows authenticated users with Subscriber-level access to escalate their privileges to those of an administrator. This flaw [&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-70526","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\/70526","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=70526"}],"version-history":[{"count":12,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/70526\/revisions"}],"predecessor-version":[{"id":79950,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/70526\/revisions\/79950"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=70526"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=70526"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=70526"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=70526"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=70526"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=70526"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=70526"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=70526"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=70526"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}