cvedb.io
CVE-2021-43783
HIGH · CVSS 8.5
EPSS exploitation probability: 0%
Published 2021-11-29T20:15:08.077 · Last modified 2026-06-17T04:11:25.860

Summary

@backstage/plugin-scaffolder-backend is the backend for the default Backstage software templates. In affected versions a malicious actor with write access to a registered scaffolder template is able to manipulate the template in a way that writes files to arbitrary paths on the scaffolder-backend host instance. This vulnerability can in some situation also be exploited through user input when executing a template, meaning you do not need write access to the templates. This method will not allow the attacker to control the contents of the injected file however, unless the template is also crafted in a specific way that gives control of the file contents. This vulnerability is fixed in version `0.15.14` of the `@backstage/plugin-scaffolder-backend`. This attack is mitigated by restricting ac

Affected products

linuxfoundation — backstage

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.