6.8 Medium
AI Score
Confidence
Low
0.001 Low
EPSS
Percentile
40.8%
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.
github.com/StackStorm/st2/releases/tag/v2.10.3
github.com/StackStorm/st2/releases/tag/v2.9.3
stackstorm.com/2019/03/08/stackstorm-2-9-3-2-10-3/