CVEvulnerability
CVE-2022-26497
5.4 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-06-02
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.4 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- CVSS 2.0 ([email protected])
- 3.5 LOW — AV:N/AC:M/Au:S/C:N/I:P/A:N
- Weaknesses
- CWE-79
Description
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.
Affected configurations
• bigbluebutton greenlight 2.11.1
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- http://packetstormsecurity.com/files/172143/Shannon-Baseband-acfg-pcfg-SDP-Attribute-Memory-Corruption.html packetstormsecurity.com
- https://github.com/bigbluebutton/greenlight/blob/master/app/assets/javascripts/room.js#L352 Exploit, Third Party Advisory
- https://www.mgm-sp.com/en/cve-2022-26497-bigbluebutton-greenlight-xss/ Patch, Third Party Advisory
- http://packetstormsecurity.com/files/172143/Shannon-Baseband-acfg-pcfg-SDP-Attribute-Memory-Corruption.html packetstormsecurity.com
- https://github.com/bigbluebutton/greenlight/blob/master/app/assets/javascripts/room.js#L352 Exploit, Third Party Advisory
- https://www.mgm-sp.com/en/cve-2022-26497-bigbluebutton-greenlight-xss/ Patch, Third Party Advisory