BigBlueButton Greenlight before 2.5.6 allows HTTP header (Host and Origin) attacks, which can result in Account Takeover if a victim follows a spoofed password-reset link.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HBigbluebutton Greenlight
APPBigbluebutton< 2.5.6
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CHECK WITH VENDOR
No clear patch data available. Check vendor references.
References
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