{"id":"CVE-2025-66823","aliases":["EUVD-2025-205848","GHSA-86hp-crvx-3qvr"],"status":"published","title":"An HTML Injection vulnerability in TrueConf server 5.5.2.10813 in the conference description...","description":"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).","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00193,"percentile":0.09102,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-12-30T00:00:00Z","modified":"2026-08-20T18:09:27Z","products":[{"vendor":"trueconf","product":"trueconf_server"}],"references":[{"url":"https://trueconf.com","tags":["Product"]},{"url":"https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66823/README.md","tags":["exploit","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66823"},{"url":"https://github.com/advisories/GHSA-86hp-crvx-3qvr"}],"sources":{"cve":[{"id":"CVE-2025-66823","description":"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).","status":"published","published":"2025-12-30T00:00:00Z","modified":"2026-01-02T14:40:23.211Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N","level":"low","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:53.157279Z"}],"euvd":[{"id":"EUVD-2025-205848","description":"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).","status":"published","published":"2025-12-30T00:00:00Z","modified":"2026-01-02T14:40:23Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T19:48:59.455836Z"}],"ghsa":[{"id":"GHSA-86hp-crvx-3qvr","title":"An HTML Injection vulnerability in TrueConf server 5.5.2.10813 in the conference description...","description":"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).","status":"published","published":"2025-12-30T21:30:33Z","modified":"2026-01-02T15:31:32Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:05:25.822666Z"}],"nvd":[{"id":"CVE-2025-66823","description":"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).","status":"published","published":"2025-12-30T20:16:01.413Z","modified":"2026-08-20T18:09:27.403Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:11:54.323368Z"}]}}