CVE-2017-20117: TrueConf Server group DOM cross site scripting

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-06-29 · updated 2026-06-17
Weakness: CWE-80

Description

A vulnerability was found in TrueConf Server 4.3.7. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the file /admin/group. The manipulation leads to basic cross site scripting (DOM). The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Affected products

TrueConf Server: before 5.0.2 — fixed in 5.0.2

How to fix

Upgrade to a fixed version: TrueConf Server 5.0.2. Check the vendor advisory for mitigations.

References

https://vuldb.com/?id.96631
https://www.exploit-db.com/exploits/41184/
https://vuldb.com/?id.96631
https://www.exploit-db.com/exploits/41184/

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