CVE-2020-25902

medium

Description

Blackboard Collaborate Ultra 20.02 is affected by a cross-site scripting (XSS) vulnerability. The XSS payload will execute on the class room, which leads to stealing cookies from users who join the class. NOTE: Third-parties dispute the validity of this entry as a possible false positive during research

References

https://www.blackboard.com/teaching-learning/collaboration-web-conferencing/blackboard-collaborate

https://github.com/Lawyer-1/Turki/blob/main/CVE-2020-25902.md

Details

Source: Mitre, NVD

Published: 2021-03-02

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.00371