Blackboard Learn (Since at least 17th of October 2017) has allowed Unvalidated Redirects…
Priority LOW 30CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-601.
Summary
Blackboard Learn (Since at least 17th of October 2017) has allowed Unvalidated Redirects on any signed-in user through its endpoints for handling Shibboleth logins, as demonstrated by a webapps/bb-auth-provider-shibboleth-BBLEARN/execute/shibbolethLogin?returnUrl= URI.
Why it matters now
EPSS 0.0139 72nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:blackboard:blackboard_learn:*:*:*:*:*:*:*:* | up to 9.1 | Vulnerable | Blackboard |
| cpe:2.3:a:blackboard:blackboard_learn:9.1:q2_2016:*:*:*:*:*:* | 9.1 q2_2016 | Vulnerable | Blackboard |
| cpe:2.3:a:blackboard:blackboard_learn:9.1:q2_2017:*:*:*:*:*:* | 9.1 q2_2017 | Vulnerable | Blackboard |
| cpe:2.3:a:blackboard:blackboard_learn:9.1:q4_2015:*:*:*:*:*:* | 9.1 q4_2015 | Vulnerable | Blackboard |
| cpe:2.3:a:blackboard:blackboard_learn:9.1:q4_2016:*:*:*:*:*:* | 9.1 q4_2016 | Vulnerable | Blackboard |
| cpe:2.3:a:blackboard:blackboard_learn:9.1:q4_2017:*:*:*:*:*:* | 9.1 q4_2017 | Vulnerable | Blackboard |
- cpe:2.3:a:blackboard:blackboard_learn:*:*:*:*:*:*:*:* Versions up to 9.1 Vulnerable ·Blackboard
- cpe:2.3:a:blackboard:blackboard_learn:9.1:q2_2016:*:*:*:*:*:* Versions 9.1 q2_2016 Vulnerable ·Blackboard
- cpe:2.3:a:blackboard:blackboard_learn:9.1:q2_2017:*:*:*:*:*:* Versions 9.1 q2_2017 Vulnerable ·Blackboard
- cpe:2.3:a:blackboard:blackboard_learn:9.1:q4_2015:*:*:*:*:*:* Versions 9.1 q4_2015 Vulnerable ·Blackboard
- cpe:2.3:a:blackboard:blackboard_learn:9.1:q4_2016:*:*:*:*:*:* Versions 9.1 q4_2016 Vulnerable ·Blackboard
- cpe:2.3:a:blackboard:blackboard_learn:9.1:q4_2017:*:*:*:*:*:* Versions 9.1 q4_2017 Vulnerable ·Blackboard
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-18262
- 2026-10-03 Alias added: GHSA-946w-mjq8-xx28
References
More Blackboard Learn vulnerabilities
- TI-2022-18576 Blackboard Learn 1.10.1 allows remote authenticated users to read unintended files by… CVSS 3.1MEDIUM 6.5
- TI-2018-09525 The bb-auth-provider-cas authentication module within Blackboard Learn 2018-07-02 is… CVSS 3.1MEDIUM 6.1
- TI-2021-14872 Blackboard Learn through 9.1 allows XSS by an authenticated user via the Feedback to Learner form. CVSS 3.1MEDIUM 5.4
- TI-2021-14871 Blackboard Learn through 9.1 allows XSS by an authenticated user via the Assignment Instructions HTML editor. CVSS 3.1MEDIUM 5.4
- TI-2020-07228 Stored Cross-site scripting (XSS) vulnerability in Blackboard Learn/PeopleTool v9.1… CVSS 3.1MEDIUM 5.4
Sources
- CVE-2017-18262 · CVE Program
- CVE-2017-18262 · NVD
- FIRST EPSS
- GHSA-946w-mjq8-xx28 · GitHub Advisory Database · CC BY 4.0
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