6.5

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 Version2.3.0
BigBlueButton ≫ BigBlueButton Version2.4.9
BigBlueButton ≫ BigBlueButton Version2.5 Updatealpha1
BigBlueButton ≫ BigBlueButton Version2.5 Updatealpha2
BigBlueButton ≫ BigBlueButton Version2.5 Updatealpha3
BigBlueButton ≫ BigBlueButton Version2.5 Updatealpha4
BigBlueButton ≫ BigBlueButton Version2.5 Updatealpha5
BigBlueButton ≫ BigBlueButton Version2.5 Updatealpha6
BigBlueButton ≫ BigBlueButton Version2.5 Updatebeta1
BigBlueButton ≫ BigBlueButton Version2.5 Updatebeta2
BigBlueButton ≫ BigBlueButton Version2.5 Updaterc.1
BigBlueButton ≫ BigBlueButton Version2.5 Updaterc.2
BigBlueButton ≫ BigBlueButton Version2.5 Updaterc.3
BigBlueButton ≫ BigBlueButton Version2.5 Updaterc.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 0.72% 0.49
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 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
nvd@nist.gov 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