A vulnerability was found in TrueConf Server 4.3.7 and classified as problematic. This issue affects an unknown functionality of the file /admin/conferences/list/. The manipulation of the argument sort with an unknown input leads to a cross site scripting vulnerability (Reflected). Using CWE to declare the problem leads to CWE-80. The software receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. Impacted is integrity.

The weakness was shared 01/29/2017 by LiquidWorm as EDB-ID 41184 as not defined exploit (Exploit-DB). The advisory is shared at exploit-db.com. The identification of this vulnerability is CVE-2017-20115. The attack may be initiated remotely. It demands that the victim is doing some kind of user interaction. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

A public exploit has been developed by LiquidWorm and been published immediately after the advisory. It is declared as proof-of-concept. The exploit is available at exploit-db.com.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (41184). The entries 96627, 96628, 96630 and 96631 are related to this item.

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• TrueConf

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• Server

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