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CVE-2020-25902

MEDIUM
6.1
CVSS Score
Published: March 2, 2021 at 12:35 PM UTC
Updated: June 17, 2026 at 03:07 AM UTC
1 product affected across 1 vendorCollaborate Ultra

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.7%

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_MISCBroken Link
Source: [email protected]
https://github.com/Lawyer-1/Turki/blob/main/CVE-2020-25902.md
x_refsource_MISCProductVendor Advisory
Source: [email protected]
https://www.blackboard.com/teaching-learning/collaboration-web-conferencing/blackboard-collaborate

CVSS

6.1MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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