PT-2022-11399 · Unknown · Bigbluebutton

Published 2022-01-19 · Updated 2022-01-25 · CVE-2021-4143

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions bigbluebutton/bigbluebutton versions prior to 2.4.0

Description The issue is related to Cross-site Scripting (XSS) - Generic.

Recommendations For versions prior to 2.4.0, update to version 2.4.0 or later to resolve the issue.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-4143

Affected Products

Bigbluebutton

References · 5

• 🔥 https://huntr.dev/bounties/e67603e6-8497-4ab6-b93a-02c26407d443 · Exploit
• https://github.com/bigbluebutton/bigbluebutton/commit/62040bdcb3c2f993ba72ab89f4db2015e18d1706 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-4143 · Security Note
• https://osv.dev/vulnerability/CVE-2021-4143 · Vendor Advisory
• https://t.me/cvenotify/25682 · Telegram Post