CVE-2026-27737 - CERT CVE
ID CVE-2026-27737
Sažetak 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.
Reference
CVSS
Base: 6.5
Impact: 3.6
Exploitability:2.8
Pristup
VektorSloženostAutentikacija
NETWORK LOW LOW
Impact
PovjerljivostCjelovitostDostupnost
NONE HIGH NONE
CVSS vektor CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Zadnje važnije ažuriranje 19-05-2026 - 15:04
Objavljeno 18-05-2026 - 22:16