Summaryinfo

A vulnerability classified as problematic has been found in FlatPress up to 1.2. Affected by this vulnerability is an unknown functionality of the component xsig File Handler. The manipulation leads to cross site scripting. This vulnerability is traded as CVE-2024-4023. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Detailsinfo

A vulnerability was found in FlatPress up to 1.2. It has been rated as problematic. This issue affects some unknown processing of the component xsig File Handler. The manipulation 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. The summary by CVE is:

A stored cross-site scripting (XSS) vulnerability exists in flatpressblog/flatpress version 1.3. When a user uploads a file with a `.xsig` extension and directly accesses this file, the server responds with a Content-type of application/octet-stream, leading to the file being processed as an HTML file. This allows an attacker to execute arbitrary JavaScript code, which can be used to steal user cookies, perform HTTP requests, and access content of the same origin.

The advisory is shared at huntr.com. The identification of this vulnerability is CVE-2024-4023 since 04/21/2024. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 1.3 eliminates this vulnerability. Applying the patch 3c9cc69364a45fd3f92d4bd606344b5dd1205d6a is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

• FlatPress

Version

• 1.0
• 1.1
• 1.2

License

• open-source

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