What’s Vulnerable › Vulnerabilities

CVE-2020-12113

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-04-23 · updated 2026-06-17
• Weakness: CWE-79

Description

BigBlueButton before 2.2.4 allows XSS via closed captions because dangerouslySetInnerHTML in React is used.

Affected products

• bigbluebutton: before 2.2.4 — fixed in 2.2.4

How to fix

Upgrade to a fixed version: bigbluebutton 2.2.4. Check the vendor advisory for mitigations.

References

• https://github.com/bigbluebutton/bigbluebutton/pull/9017
• https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.2.4
• https://www.sakshamanand.com/cve-2020-12113/
• https://github.com/bigbluebutton/bigbluebutton/pull/9017
• https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.2.4
• https://www.sakshamanand.com/cve-2020-12113/

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