PT-2020-13044 · Bigbluebutton · Bigbluebutton

Saksham Anand · Published 2020-04-23 · Updated 2020-09-30 · CVE-2020-12113

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions BigBlueButton versions prior to 2.2.4

Description The issue allows for XSS via closed captions due to the use of dangerouslySetInnerHTML in React.

Recommendations For versions prior to 2.2.4, update to version 2.2.4 or later to resolve the issue.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-12113

Affected Products

Bigbluebutton

References · 6

• https://github.com/bigbluebutton/bigbluebutton/pull/9017 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2020-12113 · Security Note
• https://osv.dev/vulnerability/CVE-2020-12113 · Vendor Advisory
• https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.2.4 · Note
• https://t.me/cvenotify/3127 · Telegram Post
• https://sakshamanand.com/cve-2020-12113 · Note