Read the docs
TI-2017-14179 Aliases CVE-2017-20113GHSA-5hj6-g43j-3gj5

TrueConf Server Stored cross site scripting

Priority MEDIUM 58CWE-80Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-80.

Summary

A vulnerability, which was classified as problematic, was found in TrueConf Server 4.3.7. This affects an unknown part. The manipulation leads to basic cross site scripting (Stored). It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00622 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TrueConfServer4.3.7—No fix listedCNA
  • Server VendorTrueConf Affected 4.3.7 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:trueconf:server:*:*:*:*:*:*:*:*before 5.0.2VulnerableTrueConf
  • cpe:2.3:a:trueconf:server:*:*:*:*:*:*:*:* Versions before 5.0.2 Vulnerable ·TrueConf

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-20113
  2. 2026-10-03 Alias added: GHSA-5hj6-g43j-3gj5
  3. 2026-11-07 EPSS moved to the 50th–90th percentile

References

Exploit 1

  • TI-2017-14185 TrueConf Server change-lang redirect CVSS 3.1MEDIUM 6.1
  • TI-2017-14184 TrueConf Server DOM cross site scripting CVSS 3.1MEDIUM 5.4
  • TI-2017-14183 TrueConf Server group DOM cross site scripting CVSS 3.1MEDIUM 5.4
  • TI-2017-14182 TrueConf Server Reflected cross site scripting CVSS 3.1MEDIUM 5.4
  • TI-2017-14181 TrueConf Server Reflected cross site scripting CVSS 3.1MEDIUM 5.4
  • TI-2017-14180 TrueConf Server Reflected cross site scripting CVSS 3.1MEDIUM 5.4
See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences