CVE Explorer

CVE-2026-43915

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 deploy

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ee2def18820f0fa1ffc318c9156415f6bb6c6416f33b1f5af2506530ddacdfd4

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"coturn","vendor":"coturn","versions":[{"status":"affected","version":"< 4.11.0"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:395517917c7c18b9b6037833d905a63ce133b93b84ce3fdc7dd11c3e947ec00d · sha256:3666b810dfb5add4… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:395517917c7c18b9b6037833d905a63ce133b93b84ce3fdc7dd11c3e947ec00d · sha256:3666b810dfb5add4… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:395517917c7c18b9b6037833d905a63ce133b93b84ce3fdc7dd11c3e947ec00d · sha256:3666b810dfb5add4… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"name":"https://github.com/coturn/coturn/releases/tag/4.11.0","tags":["x_refsource_MISC"],"url":"https://github.com/coturn/coturn/releases/tag/4.11.0"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:395517917c7c18b9b6037833d905a63ce133b93b84ce3fdc7dd11c3e947ec00d · sha256:3666b810dfb5add4… · /containers/cna/references/1

{"name":"https://github.com/coturn/coturn/security/advisories/GHSA-xxf5-9vj2-g84j","tags":["x_refsource_CONFIRM"],"url":"https://github.com/coturn/coturn/security/advisories/GHSA-xxf5-9vj2-g84j"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:395517917c7c18b9b6037833d905a63ce133b93b84ce3fdc7dd11c3e947ec00d · sha256:3666b810dfb5add4… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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