CVE-2017-18262

Severity: medium (CVSS 6.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-04-30 · updated 2026-06-17
Weakness: CWE-20

Description

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.

Affected products

Blackboard Learn: through 9.1; 9.1-q2_2016, 9.1-q2_2017, 9.1-q4_2015, 9.1-q4_2016, 9.1-q4_2017

References

http://seclists.org/fulldisclosure/2018/Apr/57
http://www.securitytracker.com/id/1040767
https://ethan.pm/blackboard.txt
http://seclists.org/fulldisclosure/2018/Apr/57
http://www.securitytracker.com/id/1040767
https://ethan.pm/blackboard.txt

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