Vulnerability Details CVE-2022-26497
BigBlueButton Greenlight 2.11.1 allows XSS. A threat actor could have a username containing a JavaScript payload. The payload gets executed in the browser of the victim in the "Share room access" dialog if the victim has shared access to the particular room with the attacker previously.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 47.7%
CVSS Severity
CVSS v3 Score 5.4
CVSS v2 Score 3.5
References
- http://packetstormsecurity.com/files/172143/Shannon-Baseband-acfg-pcfg-SDP-Attribute-Memory-Corruption.html
- https://github.com/bigbluebutton/greenlight/blob/master/app/assets/javascripts/room.js#L352
- https://www.mgm-sp.com/en/cve-2022-26497-bigbluebutton-greenlight-xss/
- http://packetstormsecurity.com/files/172143/Shannon-Baseband-acfg-pcfg-SDP-Attribute-Memory-Corruption.html
- https://github.com/bigbluebutton/greenlight/blob/master/app/assets/javascripts/room.js#L352
- https://www.mgm-sp.com/en/cve-2022-26497-bigbluebutton-greenlight-xss/
Products affected by CVE-2022-26497
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cpe:2.3:a:bigbluebutton:greenlight:2.11.1