{"id":33980,"date":"2025-04-30T13:08:43","date_gmt":"2025-04-30T13:08:43","guid":{"rendered":""},"modified":"2025-06-17T05:21:43","modified_gmt":"2025-06-17T11:21:43","slug":"cve-2025-3603-privilege-escalation-vulnerability-in-flynax-bridge-plugin-for-wordpress","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-3603-privilege-escalation-vulnerability-in-flynax-bridge-plugin-for-wordpress\/","title":{"rendered":"<strong>CVE-2025-3603: Privilege Escalation Vulnerability in Flynax Bridge Plugin for WordPress<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The vulnerability we&#8217;re discussing today, CVE-2025-3603, is a significant risk to any organization using the Flynax Bridge plugin for WordPress, specifically versions up to and including 2.2.0. It&#8217;s a privilege escalation vulnerability that allows potential hackers to take over user accounts, even those of administrators. This vulnerability matters because it can lead to severe consequences like unauthorized <a href=\"https:\/\/www.ameeba.com\/blog\/doge-s-access-to-federal-data-raises-cybersecurity-concerns\/\"  data-wpil-monitor-id=\"39367\">access to sensitive data<\/a>, system compromise, and possible data leakage, which could cause serious reputational damage and financial loss.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-3603<br \/>\nSeverity: Critical (9.8\/10)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3914-potential-arbitrary-file-uploads-and-system-compromise-in-aeropage-sync-for-airtable-wordpress-plugin\/\"  data-wpil-monitor-id=\"40757\">System compromise<\/a>, data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1014413965\" 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>Flynax Bridge <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3520-wordpress-avatar-plugin-arbitrary-file-deletion-vulnerability\/\"  data-wpil-monitor-id=\"40756\">Plugin for WordPress<\/a> | All versions up to and including 2.2.0<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The crux of this <a href=\"https:\/\/www.ameeba.com\/blog\/global-honeypot-creation-exploits-cisco-flaw-unmasking-the-vicioustrap-attack\/\"  data-wpil-monitor-id=\"51016\">exploit lies in the plugin&#8217;s flawed<\/a> identity validation process. When a user attempts to update their account details, including their password, the <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=\"59228\">plugin does not properly verify the user&#8217;s<\/a> identity. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3501-keycloak-verification-policy-flaw-allows-bypass-of-trust-store-certificate-verification\/\"  data-wpil-monitor-id=\"41756\">flaw allows<\/a> an attacker, even without authentication, to change any user&#8217;s password, including administrators&#8217; passwords. Once the password is changed, the attacker can then use these new credentials to gain access to the user&#8217;s account, compromising the system, and potentially <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32843-sql-injection-vulnerability-in-telecontrol-server-basic-leading-to-authorization-bypass-and-data-manipulation\/\"  data-wpil-monitor-id=\"39368\">leading to data<\/a> leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-4225755963\" 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, we provide a conceptual example of how an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3200-unauthenticated-remote-attacker-exploiting-insecure-tls-protocols\/\"  data-wpil-monitor-id=\"40816\">attacker might exploit<\/a> this vulnerability, essentially by sending a POST request with the malicious payload to the vulnerable endpoint:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/wp-json\/flynax\/v1\/updateUser HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{\n&quot;username&quot;: &quot;admin&quot;,\n&quot;new_password&quot;: &quot;attacker_password&quot;\n}<\/code><\/pre>\n<p>In this example, the attacker attempts to change the password of the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-44120-local-admin-account-exploit-in-spectrum-power-7\/\"  data-wpil-monitor-id=\"43340\">&#8220;admin&#8221; account<\/a> to &#8220;attacker_password. If successful, the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2021-47663-unauthenticated-remote-attacker-gaining-full-access-due-to-improper-json-web-tokens-implementation\/\"  data-wpil-monitor-id=\"41629\">attacker would then have full administrative access<\/a> to the WordPress site.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>To mitigate this vulnerability, users should apply the vendor-provided patch immediately. If you can&#8217;t apply the patch right away, consider using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as a temporary mitigation strategy. However, these options only lower the risk and cannot fully eliminate it. The only complete solution is to update the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3604-critical-privilege-escalation-vulnerability-in-flynax-bridge-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"41507\">Flynax Bridge plugin<\/a> for WordPress to a patched version.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The vulnerability we&#8217;re discussing today, CVE-2025-3603, is a significant risk to any organization using the Flynax Bridge plugin for WordPress, specifically versions up to and including 2.2.0. It&#8217;s a privilege escalation vulnerability that allows potential hackers to take over user accounts, even those of administrators. This vulnerability matters because it can lead to severe [&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-33980","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\/33980","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=33980"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/33980\/revisions"}],"predecessor-version":[{"id":52926,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/33980\/revisions\/52926"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=33980"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=33980"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=33980"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=33980"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=33980"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=33980"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=33980"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=33980"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=33980"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}