CVE-2019-9580

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 20.62% Top 5%
Vendor Advisory stackstorm.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/StackStorm/st2/releases/tag/v2.9.3 third party advisory release notes
https://github.com/StackStorm/st2/releases/tag/v2.10.3 third party advisory release notes
https://stackstorm.com/2019/03/08/stackstorm-2-9-3-2-10-3/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-9580?
CVE-2019-9580 has been scored as a medium severity vulnerability.
How to fix CVE-2019-9580?
To fix CVE-2019-9580, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-9580 being actively exploited in the wild?
It is possible that CVE-2019-9580 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~21% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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