yeswiki up to 4.5.3 /?BazaR idformulaire cross site scripting

Summaryinfo

A vulnerability, which was classified as problematic, was found in yeswiki up to 4.5.3. This issue affects some unknown processing of the file /?BazaR. Executing a manipulation of the argument idformulaire can lead to cross site scripting. The identification of this vulnerability is CVE-2025-46550. The attack may be launched remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in yeswiki up to 4.5.3. It has been declared as problematic. This vulnerability affects some unknown functionality of the file /?BazaR. The manipulation of the argument idformulaire with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. CVE summarizes:

YesWiki is a wiki system written in PHP. Prior to version 4.5.4, the `/?BazaR` endpoint and `idformulaire` parameter are vulnerable to cross-site scripting. An attacker can use a reflected cross-site scripting attack to steal cookies from an authenticated user by having them click on a malicious link. Stolen cookies allow the attacker to take over the user’s session. This vulnerability may also allow attackers to deface the website or embed malicious content. This issue has been patched in version 4.5.4.

The advisory is available at github.com. This vulnerability was named CVE-2025-46550 since 04/24/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful 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.

Upgrading to version 4.5.4 eliminates this vulnerability.

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Productinfo

Type

• Content Management System

Name

• yeswiki

Version

• 4.5.0
• 4.5.1
• 4.5.2
• 4.5.3

Website

• Product: https://github.com/YesWiki/yeswiki/

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