UCMS 1.4.6 aaddpost.php minfo Stored cross site scripting

Summaryinfo

A vulnerability categorized as problematic has been discovered in UCMS 1.4.6. The impacted element is an unknown function of the file aaddpost.php. Executing a manipulation of the argument minfo as part of Parameter can lead to cross site scripting (Stored). The identification of this vulnerability is CVE-2018-17320. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in UCMS 1.4.6 and classified as problematic. This vulnerability affects an unknown functionality of the file aaddpost.php. The manipulation of the argument minfo as part of a Parameter leads to a cross site scripting vulnerability (Stored). 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:

An issue was discovered in UCMS 1.4.6. aaddpost.php has stored XSS via the sadmin/aindex.php minfo parameter in a sadmin_aaddpost action.

The bug was discovered 09/19/2018. The weakness was shared 09/21/2018 (Website). The advisory is shared for download at github.com. This vulnerability was named CVE-2018-17320 since 09/21/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

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:aaddpost.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.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

• UCMS

Version

• 1.4.6

License

• commercial

Website

• Product: https://github.com/ucms/ucms/

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