What’s Vulnerable › Vulnerabilities

CVE-2020-27642

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-10-22 · updated 2026-06-17
• Weakness: CWE-79

Description

A cross-site scripting (XSS) vulnerability exists in the 'merge account' functionality in admins.js in BigBlueButton Greenlight 2.7.6.

Affected products

• bigbluebutton greenlight: 2.7.6

References

• https://github.com/bigbluebutton/greenlight/pull/2214
• https://github.com/bigbluebutton/greenlight/pull/2214

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