CVE-2021-36746
Blackboard Learn through 9.1 allows XSS by an authenticated user via the Assignment Instructions...
Blackboard Learn through 9.1 allows XSS by an authenticated user via the Assignment Instructions HTML editor.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Blackboard Learn through 9.1 allows XSS by an authenticated user via the Assignment Instructions HTML editor.
- Record
CVE-2021-36746- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Blackboard Learn through 9.1 allows XSS by an authenticated user via the Assignment Instructions HTML editor.
- Record
CVE-2021-36746- Updated
- 2026-11-02
EUVDEUVD-2021-23336 No score
Blackboard Learn through 9.1 allows XSS by an authenticated user via the Assignment Instructions HTML editor.
- Record
EUVD-2021-23336- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-65hj-758h-86mr No score
Blackboard Learn through 9.1 allows XSS by an authenticated user via the Assignment Instructions...
Blackboard Learn through 9.1 allows XSS by an authenticated user via the Assignment Instructions HTML editor.
- Record
GHSA-65hj-758h-86mr- Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-36746 is a medium vulnerability (CVSS 5.4) in Blackboard Learn, published July 20, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.56%, the 47th percentile. No source names a fixed version.