TrueConf Server vulnerabilities
6 known CVE vulnerabilities in TrueConf Server, translated and rated.
- CVE-2026-72530CriticalActively exploited
A remote unauthorized attacker with network access via port 4307/TCP to 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.
- CVE-2026-72529CriticalActively exploited
A remote unauthorized attacker with network access via port 4307/TCP to 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.
- CVE-2025-66823Medium
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).
- CVE-2025-66834High
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.
- CVE-2025-66824High
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 full Account Takeover (ATO).
- CVE-2017-20120Medium
A vulnerability classified as problematic was found in TrueConf Server 4.3.7. It affects unknown code of the file /admin/service/stop/. The manipulation leads to cross-site request forgery. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.