{"id":"CVE-2026-43915","summary":"Coturn: Stored Cross-Site Scripting (XSS) in web-admin interface via TURN username","details":"Coturn is a free open source implementation of TURN and STUN Server. Versions prior to 4.11.0 contain a stored cross-site scripting (XSS) vulnerability in the web-admin HTTPS interface. An attacker who can create a TURN allocation with a crafted USERNAME value can inject HTML/JavaScript that executes when an authenticated web-admin user views the TURN session list. In configurations using anonymous TURN access (--no-auth), this may be exploitable without TURN credentials. In authenticated deployments, exploitation requires valid TURN credentials or control over a provisioned username. This issue has been fixed in version 4.11.0.","aliases":["GHSA-xxf5-9vj2-g84j"],"modified":"2026-07-08T08:13:29.689584189Z","published":"2026-06-18T19:33:42.026Z","database_specific":{"cna_assigner":"GitHub_M","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43915.json","cwe_ids":["CWE-79"]},"references":[{"type":"WEB","url":"https://github.com/coturn/coturn/releases/tag/4.11.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43915.json"},{"type":"ADVISORY","url":"https://github.com/coturn/coturn/security/advisories/GHSA-xxf5-9vj2-g84j"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43915"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/coturn/coturn","events":[{"introduced":"0"},{"fixed":"97fd597fcb64861392b399ac824b044a2f0f5786"}],"database_specific":{"source":["AFFECTED_FIELD","CPE_RANGE","REFERENCES"],"cpe":"cpe:2.3:a:coturn_project:coturn:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"4.11.0"}]}}],"versions":["docker/4.10.0-r1","docker/4.10.0-r0","4.10.0","docker/4.9.0-r0","4.9.0","docker/4.8.0-r1","docker/4.8.0-r0","4.8.0","docker/4.7.0-r4","docker/4.7.0-r3","docker/4.7.0-r2","docker/4.7.0-r1","docker/4.7.0-r0","4.7.0","docker/4.6.3-r3","docker/4.6.3-r2","docker/4.6.3-r1","docker/4.6.3-r0","4.6.3","docker/4.6.2-r13","docker/4.6.2-r12","docker/4.6.2-r11","docker/4.6.2-r10","docker/4.6.2-r9","docker/4.6.2-r8","docker/4.6.2-r7","docker/4.6.2-r6","docker/4.6.2-r5","docker/4.6.2-r4","docker/4.6.2-r3","docker/4.6.2-r2","docker/4.6.2-r1","docker/4.6.2-r0","4.6.2","docker/4.6.1-r3","docker/4.6.1-r2","docker/4.6.1-r1","docker/4.6.1-r0","docker/4.6.0-r1","docker/4.6.0-r0","4.6.0","docker/4.5.2-r14","docker/4.5.2-r13","docker/4.5.2-r12","docker/4.5.2-r11","docker/4.5.2-r10","docker/4.5.2-r9","docker/4.5.2-r8","docker/4.5.2-r7","docker/4.5.2-r6","docker/4.5.2-r0","4.5.2","4.5.1.3","4.5.1.2","4.5.1.1","4.5.1.0","4.5.0.7","4.5.0.6","4.5.0.5","4.5.0.4","4.5.0.3","4.5.0.2","4.5.0.1","4.4.5.4","4.4.5.3"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43915.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"}]}