Summaryinfo

A vulnerability, which was classified as problematic, has been found in andrzuk FineCMS. This impacts an unknown function of the file application/classes/application.php. Performing a manipulation of the argument action results in cross site scripting (Reflected). This vulnerability was named CVE-2017-6511. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic has been found in andrzuk FineCMS (affected version unknown). This affects an unknown functionality of the file application/classes/application.php. The manipulation of the argument action with an unknown input leads to a cross site scripting vulnerability (Reflected). CWE is classifying the issue as 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. This is going to have an impact on integrity. The summary by CVE is:

andrzuk/FineCMS before 2017-03-06 is vulnerable to a reflected XSS in index.php because of missing validation of the action parameter in application/classes/application.php.

The bug was discovered 03/05/2017. The weakness was presented 03/07/2017 (GitHub Repository). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2017-6511 since 03/07/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:application/classes/application.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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• andrzuk

Name

• FineCMS

License

• open-source

Website

• Product: https://github.com/andrzuk/FineCMS/

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