CVE-2017-20116: TrueConf Server Reflected 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 classified as problematic. Affected is an unknown function of the file /admin/group/list/. The manipulation of the argument checked_group_id leads to basic cross site scripting (Reflected). It is possible to launch the attack 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.96630
https://www.exploit-db.com/exploits/41184/
https://vuldb.com/?id.96630
https://www.exploit-db.com/exploits/41184/

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