What is CVE-2020-25902?

CVE-2020-25902 is a medium-severity vulnerability in Blackboard Collaborate Ultra, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-03-02.

How severe is CVE-2020-25902?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Blackboard Collaborate Ultra

CVE-2020-25902

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

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.007 (48.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Blackboard Collaborate_ultra — versions 20.02
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Product, x_refsource_MISC, Vendor Advisory)
cve@mitre.org (x_refsource_MISC, Broken Link)

Frequently asked questions

What is CVE-2020-25902?: CVE-2020-25902 is a medium-severity vulnerability in Blackboard Collaborate Ultra, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-03-02.
How severe is CVE-2020-25902?: Medium severity. CVSS v3 base score is 6.1 out of 10.