Trueconf: Security Vulnerabilities
CVE-2026-72530
A remote unauthorized attacker with network access via port 4307/TCP to the TrueConf server versions 5.3.X to 5.3.9, 5.4.X to 5.4.9, 5.5.X to 5.5.5, and earlier could use a specially crafted script to break out of the isolated environment and execute arbitrary code on the host system.
Known exploited
CVSS Score
9.5
EPSS Score
0.017
Published
2026-08-19
CVE-2026-72529
A remote unauthorized attacker with network access via port 4307/TCP to the TrueConf server versions 5.3.X to 5.3.9, 5.4.X to 5.4.9, 5.5.X to 5.5.5, and earlier could execute an arbitrary script by calling an undocumented function.
Known exploited
CVSS Score
9.3
EPSS Score
0.015
Published
2026-08-19
CVE-2026-3502
TrueConf Client downloads application update code and applies it without performing verification. An attacker who is able to influence the update delivery path can substitute a tampered update payload. If the payload is executed or installed by the updater, this may result in arbitrary code execution in the context of the updating process or user.
Known exploited
CVSS Score
7.8
EPSS Score
0.003
Published
2026-03-30
An HTML Injection vulnerability in TrueConf server 5.5.2.10813 in the conference description field allows an attacker to inject arbitrary HTML in the Create/Edit conference functionality. The payload will be triggered when the victim opens the Conference Info page ([conference url]/info).
CVSS Score
5.4
EPSS Score
0.002
Published
2025-12-30
A Stored Cross-Site Scripting (XSS) vulnerability exists in the Meeting location field of the Create/Edit Conference functionality in TrueConf Server v5.5.2.10813. The injected payload is stored via the meeting_room parameter and executed when users visit the Conference Info page, allowing attackers to achieve full Account Takeover (ATO). This issue is caused by improper sanitization of user-supplied input in the meeting_room field.
CVSS Score
8.7
EPSS Score
0.003
Published
2025-12-30
A CSV Formula Injection vulnerability in TrueConf Server v5.5.2.10813 allows a normal user to inject malicious spreadsheet formulas into exported chat logs via crafted Display Name.
CVSS Score
7.3
EPSS Score
0.003
Published
2025-12-30
TrueConf Client 8.5.2 is vulnerable to DLL hijacking via crafted wfapi.dll allowing local attackers to execute arbitrary code within the user's context.
CVSS Score
7.1
EPSS Score
0.002
Published
2025-12-30
A SQL injection issue in the web API in TrueConf Server 5.2.0.10225 (fixed in 5.2.6.10025) allows remote unauthenticated attackers to execute arbitrary SQL commands, ultimately leading to remote code execution.
CVSS Score
9.8
EPSS Score
0.021
Published
2022-12-27
A SQL injection issue in a database stored function in TrueConf Server 5.2.0.10225 (fixed in 5.2.6.10025) allows a low-privileged database user to execute arbitrary SQL commands as the database administrator, resulting in execution of arbitrary code.
CVSS Score
8.8
EPSS Score
0.01
Published
2022-12-27
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.
CVSS Score
3.5
EPSS Score
0.006
Published
2022-06-29
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