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2 vulnerabilities found for bbb-playback by bigbluebutton

CVE-2026-27737 (GCVE-0-2026-27737)

Vulnerability from nvd – Published: 2026-05-18 21:11 – Updated: 2026-05-19 12:11
VLAI
Title
BigBlueButton has Stored XSS in bbb-playback replay
Summary
BigBlueButton is an open-source virtual classroom. In versions prior to 3.0.19, the recording playback (presentation format) was not sanitizing user's input in public chat. This allowed for a malicious actor to craft and carry out a targeted XSS attack, activated on anyone replaying the recording. This issue has been fixed 3.0.19.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-27737 (GCVE-0-2026-27737)

Vulnerability from cvelistv5 – Published: 2026-05-18 21:11 – Updated: 2026-05-19 12:11
VLAI
Title
BigBlueButton has Stored XSS in bbb-playback replay
Summary
BigBlueButton is an open-source virtual classroom. In versions prior to 3.0.19, the recording playback (presentation format) was not sanitizing user's input in public chat. This allowed for a malicious actor to craft and carry out a targeted XSS attack, activated on anyone replaying the recording. This issue has been fixed 3.0.19.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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