LOWCVSS v3.1 3.5Vulnerability
CVE-2026-126814
blueprintUE Self-Hosted Edition before 4.3.6 contains an iframe injection vulnerability that allows authenticated users to embed arbitrary third-party content by abusing the PeerTube video URL matcher in BlueprintService::findVideoProvider(). Attackers can set a blueprint video URL on an attacker-controlled host, which site.js loads in an unsandboxed iframe after consent, framing fake login forms or malware downloads.
Properties
- Severity
- LOW
- Nvd fetched at
- 2026-11-11T23:49:45.533241+00:00
- Cvss severity
- LOW
- Cvss score
- 3.5
- Retrieved at
- 2026-11-11T23:50:18+00:00
- Score
- 3.5
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-126814
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
- First seen by Signal
- 2026-11-11T23:46:41+00:00
- Name
- CVE-2026-126814
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
- Published at
- 2026-11-11T21:16:46.053
- Last modified
- 2026-11-11T21:16:46.053
Related Entities (1)
HAS_WEAKNESS (1)
Related research
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