Summaryinfo

A vulnerability was found in Monstra CMS 3.0.4. It has been rated as problematic. Affected by this vulnerability is an unknown functionality of the file admin/index.php. Performing a manipulation as part of Parameter results in cross site scripting. This vulnerability is reported as CVE-2018-17026. The attack is possible to be carried out remotely. No exploit exists. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Detailsinfo

A vulnerability classified as problematic has been found in Monstra CMS 3.0.4 (Content Management System). This affects an unknown function of the file admin/index.php. The manipulation as part of a Parameter leads to a cross site scripting vulnerability. 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:

admin/index.php in Monstra CMS 3.0.4 allows XSS via the page_meta_title parameter in an edit_page&name=error404 action, a different vulnerability than CVE-2018-10121.

The bug was discovered 09/12/2017. The weakness was disclosed 09/13/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2018-17026 since 09/13/2018. It is possible to initiate the attack remotely. The successful exploitation requires a authentication. 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 366 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:admin/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 entries VDB-124046, VDB-124045 and VDB-124048 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• Monstra

Name

• CMS

Version

• 3.0.4

License

• open-source

CPE 2.3info

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CPE 2.2info

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