CVE-2022-26497
MEDIUM
5.4
CVSS Score
Published: June 2, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 04:35 AM UTC
1 product affected across 1 vendorGreenlight
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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.9%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
ExploitThird Party Advisory
Source: [email protected]
https://github.com/bigbluebutton/greenlight/blob/master/app/assets/javascripts/room.js#L352PatchThird Party Advisory
Source: [email protected]
https://www.mgm-sp.com/en/cve-2022-26497-bigbluebutton-greenlight-xss/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-79
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