CVE detail

CVE-2020-25902 — CVE-2020-25902

Published 2021-03-02 · Modified 2026-06-17 · Vendor blackboard · Product collaborate_ultra · Source nvd

MEDIUM

severity

CVSS-derived band

6.1

CVSS v3

0–10 scale

0.0066

EPSS probability

exploitation probability, 30d

49.0%

EPSS percentile

percentile vs all CVEs

NOT LISTED

CISA KEV

known exploited catalog

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

Remediation

No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.