CVE Vulnerability

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.

3.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 6.8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

5.4 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://www.mgm-sp.com/en/cve-2022-26497-bigbluebutton-greenlight-xss/ Patch Third Party Advisory
https://github.com/bigbluebutton/greenlight/blob/master/app/assets/javascripts/room.js#L352 Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:bigbluebutton:greenlight:2.11.1:*:*:*:*:*:*:*
Information

Published : 2022-06-02 06:15

Updated : 2022-06-11 03:18

NVD link : CVE-2022-26497

Mitre link : CVE-2022-26497

Products Affected
No products.
CWE
CWE-79