CVE-2022-26497

Published: Jun 2, 2022Updated: Nov 21, 2024 Sources: CVE List NVDCWE-79

5.4MEDIUM

NVD MITRE

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:RUser Interaction

Required

Scope

S:CScope

Changed

Impact

C:LConfidentiality

Low

I:LIntegrity

Low

A:NAvailability

None

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Weaknesses

CWE-79

Affected Products

bigbluebutton

oss-projectaka bbb

greenlightOn-premWeb App

Communications / video-conferencing

and 1 more affected products View all →

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Execution

Initial Access

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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

github.com

https://www.mgm-sp.com/en/cve-2022-26497-bigbluebutton-greenlight-xss/

mgm-sp.com

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