A vulnerability was found in osTicket up to 1.14.2 (Ticket Tracking Software). It has been declared as problematic. This vulnerability affects some unknown functionality of the file include/staff/banrule.inc.php. The manipulation of the argument $info['notes'] 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:

osTicket before 1.14.3 allows XSS because include/staff/banrule.inc.php has an unvalidated echo $info['notes'] call.

The weakness was presented 08/26/2020 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability was named CVE-2020-16193 since 07/31/2020. The attack can be initiated remotely. A single authentication is required for 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.

By approaching the search of inurl:include/staff/banrule.inc.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 1.14.3 eliminates this vulnerability.

Productinfo

Type

• Ticket Tracking Software

Name

• osTicket

Version

• 1.14.0
• 1.14.1
• 1.14.2

License

• open-source

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CPE 2.2info

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