CVE-2019-9580 json
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" o…
published 2019-03-09 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-18951
- cvss
- 6.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.0%
- EPSS 3.0% chance of exploitation in 30 days, percentile 87%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- stackstorm stackstorm 2.9.3, 2.10.3
Exploit prediction
2.99% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
stackstorm.com
/2019/03/08/stackstorm-2-9-3-2-10-3/
vendor-advisory
-
github.com
/StackStorm/st2/releases/tag/v2.9.3
release-notes, third-party-advisory
-
github.com
/StackStorm/st2/releases/tag/v2.10.3
release-notes, third-party-advisory
Sources
- CVE List CVE-2019-9580
- NVD CVE-2019-9580
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.