CVE-2026-72529

TrueConf Server (videoconferencing) is affected by a missing authentication vulnerability in an undocumented function accessible via port 4307/TCP . A remote unauthenticated attacker can invoke this function to execute an arbitrary script on the server. Affected versions: 5.3.X–5.3.9, 5.4.X–5.4.9...

CVE-2026-72530

TrueConf Server (versions 5.3.X–5.3.9, 5.4.X–5.4.9, 5.5.X–5.5.5, and earlier) is vulnerable to a sandbox escape via improper code generation management. A remote unauthenticated attacker with network access to port 4307/TCP (open by default) can deliver a specially crafted script that breaks out ...

CVE-2017-20120

TrueConf Server 4.3.7 is affected by a Cross‑Site Request Forgery in the /admin/service/stop/ endpoint. The vulnerability stems from insufficient validation of HTTP requests to perform administrative actions, potentially enabling remote attackers to forge authenticated requests. Multiple sources ...

CVE-2025-66834

TrueConf Server is affected by a CSV Formula Injection in version 5.5.2.10813. A normal user can inject malicious spreadsheet formulas into exported chat logs by crafting the Display Name, indicating a CSV macro/formula injection vulnerability. Impact per sources is high confidentiality and integ...

CVE-2025-66824

TrueConf Server v5.5.2.10813 is affected by a Stored XSS in the Meeting location field (Create/Edit Conference) where input in the meeting_room parameter is stored and executed on the Conference Info page, enabling full Account Takeover (ATO). Root cause: improper sanitization of user-supplied in...

CVE-2025-66823

CVE-2025-66823 describes an HTML injection vulnerability in TrueConf Server 5.5.2.10813 in the conference description field. The issue allows an attacker to inject arbitrary HTML in Create/Edit conference functionality, with execution when the victim views the Conference Info page. Affected compo...