MyBB 1.8.38 install\index.php Website Name cross site scripting

Summaryinfo

A vulnerability was found in MyBB 1.8.38. It has been declared as problematic. The impacted element is an unknown function of the file install\index.php. Such manipulation of the argument Website Name leads to cross site scripting. This vulnerability is listed as CVE-2024-52702. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in MyBB 1.8.38. It has been rated as problematic. Affected by this issue is some unknown processing of the file install\index.php. The manipulation of the argument Website Name with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. CVE summarizes:

A stored cross-site scripting (XSS) vulnerability in the component install\index.php of MyBB v1.8.38 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Website Name parameter. NOTE: this is disputed by the Supplier because Website Name can only be set by an administrator, who may use JavaScript if they wish.

The advisory is available at github.com. This vulnerability is handled as CVE-2024-52702 since 11/15/2024. The exploitation is known to be easy. The attack may be launched remotely. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 12/08/2025). This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

By approaching the search of inurl:install\index.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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2024-46033). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Content Management System

Name

• MyBB

Version

• 1.8.38

License

• open-source

Website

• Product: https://mybb.com/

CPE 2.3info

• 🔍

CPE 2.2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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