Impact

Cross-site scripting (XSS) vulnerability in the Web UI of StackStorm versions prior to 3.8.0 allowed logged in users with write access to pack rules to inject arbitrary script or HTML that may be executed in Web UI for other logged in users.

Patches

Affected StackStorm versions: all prior v3.8.0.
The issue was fixed in StackStorm: v3.8.0.

References

• https://stackstorm.com/2022/12/v3-8-0-released/
• https://stackstorm.com/security/
• https://nvd.nist.gov/vuln/detail/CVE-2022-43706

Credits

This issue was discovered and reported to us by Mohamed Elgllad.