{"id":22593,"date":"2025-04-13T11:02:14","date_gmt":"2025-04-13T11:02:14","guid":{"rendered":""},"modified":"2025-05-14T05:21:05","modified_gmt":"2025-05-14T05:21:05","slug":"cve-2025-2815-unauthorized-modification-of-data-in-administrator-z-wordpress-plugin","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-2815-unauthorized-modification-of-data-in-administrator-z-wordpress-plugin\/","title":{"rendered":"CVE-2025-2815: Unauthorized Modification of Data in Administrator Z WordPress Plugin<\/strong>"},"content":{"rendered":"

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

The CVE-2025-2815 vulnerability affects the widely used Administrator Z plugin for WordPress websites. This flaw can allow attackers to escalate their privileges and gain unauthorized control over a WordPress site. As many businesses and individuals rely on WordPress for their online presence, this vulnerability poses a significant threat<\/a> to the integrity of their digital operations. It is therefore crucial to understand this vulnerability<\/a>, its implications, and how it can be mitigated.<\/p>\n

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

CVE ID: CVE-2025-2815
\nSeverity: High (8.8)
\nAttack Vector: Web Application
\nPrivileges Required: Subscriber-level
\nUser Interaction: Required
\nImpact: Unauthorized modification of data, potential system<\/a> compromise or data leakage<\/p>\n

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

Product | Affected Versions<\/p>\n

Administrator Z WordPress Plugin<\/a> | All versions up to and including 2025.03.24<\/p>\n

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

The CVE-2025-2815 vulnerability resides in the adminz_import_backup() function of the Administrator Z plugin for WordPress<\/a>. This function lacks a proper capability check, which can allow authenticated attackers, with Subscriber-level access and above, to update arbitrary options on the WordPress<\/a> site.
\nThe exploit can be leveraged to update the default role for registration to an administrator, thereby enabling user registration<\/a>. This will allow the attackers to gain administrative user access to a vulnerable<\/a> site, potentially compromising the system or leading to data leakage.<\/p>\n

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

Here is a conceptual example of how an attacker might exploit the vulnerability<\/a>:<\/p>\n

POST \/wp-admin\/admin.php?page=adminz_import_backup HTTP\/1.1\nHost: victim-site.com\nContent-Type: application\/x-www-form-urlencoded\nCookie: [authenticated user session cookie here]\noption_name=default_role&option_value=administrator<\/code><\/pre>\n
In this example, the attacker sends a POST request to the vulnerable adminz_import_backup function, using an authenticated session<\/a> cookie. The attacker then changes the ‘default_role’ option to ‘administrator’, effectively allowing any new users to register as administrators<\/a> on the site.<\/p>\n
Mitigation<\/strong><\/p>\n
The best course of action to mitigate this vulnerability<\/a> is to apply the vendor-supplied patch. If the patch is not yet available or cannot be immediately applied, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation measure. Regularly updating and patching your WordPress plugins is a good standard practice to prevent such vulnerabilities<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The CVE-2025-2815 vulnerability affects the widely used Administrator Z plugin for WordPress websites. This flaw can allow attackers to escalate their privileges and gain unauthorized control over a WordPress site. As many businesses and individuals rely on WordPress for their online presence, this vulnerability poses a significant threat to the integrity of their digital […]<\/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":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-22593","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"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