SiteSEO Plugin up to 1.3.2 on WordPress AJAX resolve_variables resource injection

Summaryinfo

A vulnerability labeled as problematic has been found in SiteSEO Plugin up to 1.3.2 on WordPress. The affected element is the function resolve_variables of the component AJAX Handler. Such manipulation leads to resource injection. This vulnerability is listed as CVE-2025-13085. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in SiteSEO Plugin up to 1.3.2 on WordPress and classified as problematic. Affected by this issue is the function resolve_variables of the component AJAX Handler. The manipulation with an unknown input leads to a resource injection vulnerability. Using CWE to declare the problem leads to CWE-99. The product receives input from an upstream component, but it does not restrict or incorrectly restricts the input before it is used as an identifier for a resource that may be outside the intended sphere of control. Impacted is confidentiality. CVE summarizes:

The SiteSEO – SEO Simplified plugin for WordPress is vulnerable to Improper Authorization leading to Sensitive Post Meta Disclosure in versions up to and including 1.3.2. This is due to missing object-level authorization checks in the resolve_variables() AJAX handler. This makes it possible for authenticated attackers with the siteseo_manage capability (e.g., Author-level users who have been granted SiteSEO access by an administrator) to read arbitrary post metadata from any post, page, attachment, or WooCommerce order they cannot edit, via the custom field variable resolution feature granted they have been given access to SiteSEO by an administrator and legacy storage is enabled. In affected WooCommerce installations, this exposes sensitive customer billing information including names, email addresses, phone numbers, physical addresses, and payment methods.

The advisory is shared for download at wordfence.com. This vulnerability is handled as CVE-2025-13085. The exploitation is known to be easy. The attack may be launched remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/19/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-198140). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• WordPress Plugin

Name

• SiteSEO Plugin

Version

• 1.3.0
• 1.3.1
• 1.3.2

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CPE 2.2info

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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