@backstage/plugin-techdocs-backend vulnerable to circumvention of cross site scripting protection
Impact
An attacker with control of the contents of the TechDocs storage buckets is able to inject executable scripts in the TechDocs content that will be executed in the victim's browser when browsing documentation or navigating to an attacker provided link.
Patches
This has been fixed in the 1.10.13 release of the @backstage/plugin-techdocs-backend package.
References
If you have any questions or comments about this advisory:
Open an issue in the Backstage repository Visit our Discord, linked to in Backstage README
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | @backstage/plugin-techdocs-backend | < 1.10.13 | 1.10.13 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L- Weakness (CWE)
CWE-693, CWE-79- Platform
- npm
- Package
@backstage/plugin-techdocs-backend- Disclosed
- 17.09.2024
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-5j94-f3mf-8685 - CC BY 4.0
Vulnerability history: @backstage/plugin-techdocs-backend
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 4
- First → latest
- 09.2024 10.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 1
- Medium 3
Disclosures per year
- 2024: 2
- 2025: 0
- 2026: 2
-
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