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CVE-2026-27737

CVE-kwetsbaarheidsdetails - eXtreme Datacenter Security Operations

Gepubliceerd 2026-05-18 21:11:17

Laatst bijgewerkt 2026-05-19 12:11:53

Toegewezen door GitHub_M

CVSS-score 6.5

Status PUBLISHED

Beschrijving

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.

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