wpmudev Broken Link Checker Plugin up to 2.4.0 on WordPress class-view.php add_query_arg cross site scripting

Summaryinfo

A vulnerability labeled as problematic has been found in wpmudev Broken Link Checker Plugin up to 2.4.0 on WordPress. This affects the function add_query_arg of the file /app/admin-notices/features/class-view.php. Such manipulation leads to cross site scripting. This vulnerability is listed as CVE-2024-8981. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in wpmudev Broken Link Checker Plugin up to 2.4.0 on WordPress. It has been rated as problematic. Affected by this issue is the function add_query_arg of the file /app/admin-notices/features/class-view.php. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. Impacted is integrity. CVE summarizes:

The Broken Link Checker plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg in /app/admin-notices/features/class-view.php without appropriate escaping on the URL in all versions up to, and including, 2.4.0. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

The weakness was presented by Dale Mavers. The advisory is available at wordfence.com. This vulnerability is handled as CVE-2024-8981 since 09/18/2024. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

By approaching the search of inurl:app/admin-notices/features/class-view.php it is possible to find vulnerable targets with Google Hacking.

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

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Productinfo

Type

• WordPress Plugin

Vendor

• wpmudev

Name

• Broken Link Checker Plugin

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4.0

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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