Vulnerability CVE-2019-9580
Published: 2019-03-08   Modified: 2019-03-09

Description:
In st2web in StackStorm Web UI before 2.9.3 and 2.10.x before 2.10.3, it is possible to bypass the CORS protection mechanism via a "null" origin value, potentially leading to XSS.

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Stackstorm -> Stackstorm 

 References:
https://github.com/StackStorm/st2/releases/tag/v2.10.3
https://github.com/StackStorm/st2/releases/tag/v2.9.3
https://stackstorm.com/2019/03/08/stackstorm-2-9-3-2-10-3/
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