6.1

CVE-2022-31065

Cross site scripting vulnerability for private chat in bigbluebutton

XSS vulnerability for private chat

BigBlueButton is an open source web conferencing system. In affected versions an attacker can embed malicious JS in their username and have it executed on the victim's client. When a user receives a private chat from the attacker (whose username contains malicious JavaScript), the script gets executed. Additionally when the victim receives a notification that the attacker has left the session. This issue has been patched in version 2.4.8 and 2.5.0. There are no known workarounds for this issue.
Mögliche Gegenmaßnahme
Server: No workarounds.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
BigBlueButton ≫ BigBlueButton Version >= 2.4 < 2.4.8
BigBlueButton ≫ BigBlueButton Version 2.3.0
BigBlueButton ≫ BigBlueButton Version 2.4.9
BigBlueButton ≫ BigBlueButton Version 2.5 Update alpha1
BigBlueButton ≫ BigBlueButton Version 2.5 Update alpha2
BigBlueButton ≫ BigBlueButton Version 2.5 Update alpha3
BigBlueButton ≫ BigBlueButton Version 2.5 Update alpha4
BigBlueButton ≫ BigBlueButton Version 2.5 Update alpha5
BigBlueButton ≫ BigBlueButton Version 2.5 Update alpha6
BigBlueButton ≫ BigBlueButton Version 2.5 Update beta1
BigBlueButton ≫ BigBlueButton Version 2.5 Update beta2
BigBlueButton ≫ BigBlueButton Version 2.5 Update rc.1
BigBlueButton ≫ BigBlueButton Version 2.5 Update rc.2
BigBlueButton ≫ BigBlueButton Version 2.5 Update rc.3
BigBlueButton ≫ BigBlueButton Version 2.5 Update rc.4
Weitere Schwachstelleninformationen
SystemBigBlueButton
≫
Produkt Server
Version >= 0.0.0, < 2.4.8
Version >= 2.5.0, < 2.5.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.74% 0.502
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 6.1 2.8 2.7
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NIST 4.3 8.6 2.9
AV:N/AC:M/Au:N/C:N/I:P/A:N
security-advisories@github.com 6.5 2.3 3.7
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

https://github.com/bigbluebutton/bigbluebutton/pull/15090
Patch
Third Party Advisory
https://github.com/bigbluebutton/bigbluebutton/pull/15087
Patch
Third Party Advisory
https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-8m2p-7qv3-qff7
Patch
Third Party Advisory
https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-8m2p-7qv3-qff7
Third Party Advisory