VULNERABILITY INTELLIGENCE

CVE-2020-27608

CVSS score6.1 MEDIUM
EPSS probability0.82%
CISA KEVNot currently listed
Published2020-10-21
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

In BigBlueButton before 2.2.28 (or earlier), uploaded presentations are sent to clients without a Content-Type header, which allows XSS, as demonstrated by a .png file extension for an HTML document.

Weakness classification

  • nvd@nist.gov: CWE-79

Primary references