CVE-2021-43776
HighAdvisory
Published 1 Dec 2021In the index since 9 Sept 2026
- Severity
- High
- worst across findings
- CVSS
- 7.4
- base score, highest
- EPSS
- 0.007
- 49th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 3
- of 17,781 indexed, latest versions
- Container images
- 2
- deployed by those charts
- Fix available
- 1 of 1
- affected package
Cross-Site Scripting vulnerability in @backstage/plugin-auth-backend
Carried by container images the latest versions of 3 of 17,781 indexed charts deploy, on 2 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| @backstage/ | 0.1.1-alpha.23, 0.3.19 | 0.4.9 | 2 |
- OSV records
- GHSA-w7fj-336r-vw49
Charts affected
3 by stars
Container images carrying it
2 by charts deploying them
A fixed version is listed for 1 of the 1 affected package.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| martinaif/ | 43bc40a3da0e | @backstage/ | 0.4.9 | 2 |
| roadiehq/ | ef355bf5b639 | @backstage/ | 0.4.9 | 1 |