joomunited WP Meta SEO Plugin up to 4.5.18 on WordPress Outbound Requests new_link server-side request forgery

Summaryinfo

A vulnerability has been found in joomunited WP Meta SEO Plugin up to 4.5.18 on WordPress and classified as critical. Affected by this vulnerability is an unknown functionality of the component Outbound Requests Handler. Performing a manipulation of the argument new_link results in server-side request forgery. This vulnerability is identified as CVE-2026-11370. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in joomunited WP Meta SEO Plugin up to 4.5.18 on WordPress. This affects an unknown part of the component Outbound Requests Handler. The manipulation of the argument new_link with an unknown input leads to a server-side request forgery vulnerability. CWE is classifying the issue as CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The WP Meta SEO plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 4.5.18 via the 'new_link' parameter. This makes it possible for authenticated attackers, with contributor-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services. The HTTP response status from outbound requests is reflected back in the AJAX JSON response as status_code, providing an enumeration oracle usable for probing internal hosts and cloud metadata services.

The weakness was released by Enes Ismail. It is possible to read the advisory at wordfence.com. This vulnerability is uniquely identified as CVE-2026-11370 since 06/05/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 4.5.18 eliminates this vulnerability.

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Productinfo

Type

• WordPress Plugin

Vendor

• joomunited

Name

• WP Meta SEO Plugin

Version

• 4.5.0
• 4.5.1
• 4.5.2
• 4.5.3
• 4.5.4
• 4.5.5
• 4.5.6
• 4.5.7
• 4.5.8
• 4.5.9
• 4.5.10
• 4.5.11
• 4.5.12
• 4.5.13
• 4.5.14
• 4.5.15
• 4.5.16
• 4.5.17
• 4.5.18

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

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