Get real-time updates on Telegram
CVE-2025-55200: bigbluebutton before 3.0.13 (exclusive), < 3.0.13
CVE-2025-55200. CVSS 3.1 base score 5.4 (MEDIUM, NVD). EPSS 0.00243 (percentile 0.14525), scored 19-Oct-2026.
Affected technology
bigbluebutton · before 3.0.13 (exclusive)
bigbluebutton
bigbluebutton · < 3.0.13
bigbluebutton
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required
Attack conditions (NVD, CVSS 3.1): Network (remote) · Low privileges required · User interaction required
What an attacker can do
A low-privileged user can execute arbitrary JavaScript in the context of higher-privileged users (e.g., Admins) who open the Shared Notes page. Vendor/CNA’s CVSS 3.1 assessment (base score 7.1/10) rates confidentiality impact as high; integrity impact as low; availability impact as none. NVD’s CVSS 3.1 assessment (base score 5.4/10) rates confidentiality and integrity impact as low; availability impact as none.
- CWE
- CWE-79
- CCR priority
- 21.7 /100 (P4)
- CVSS 3.1
- 5.4 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N · NVD
- EPSS
- 0.00243 · percentile 0.14525 · 2026-10-19
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-19 17:57:47.606446+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2025-55200.html