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.
Exploits (1)
References (3)
Core 3
Core References
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/StackStorm/st2/releases/tag/v2.9.3
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/StackStorm/st2/releases/tag/v2.10.3
Vendor Advisory x_refsource_misc
https://stackstorm.com/2019/03/08/stackstorm-2-9-3-2-10-3/
Scores
CVSS v3
6.1
EPSS
0.1037
EPSS Percentile
93.2%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Details
CWE
CWE-79
Status
published
Products (1)
stackstorm/stackstorm
< 2.9.3
Published
Mar 09, 2019
Tracked Since
Feb 18, 2026