CVE-2024-46976: backstage XSS (CVSS 6.5)

Description

Backstage is an open framework for building developer portals. 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. This has been fixed in the 1.10.13 release of the `@backstage/plugin-techdocs-backend` package. users are advised to upgrade. There are no known workarounds for this vulnerability.

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Weakness Type (CWE)

CWE-693 CWE-693

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
linuxfoundation	backstage	< 1.10.13

References

Other References

https://github.com/backstage/backstage/security/advisories/GHSA-5j94-f3mf-8685

Frequently Asked Questions

What is CVE-2024-46976? +

Backstage is an open framework for building developer portals. 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. This has been fixed in the 1.10.13 release of the `@backstage/plugin-techdocs-backend` package. users are advised to upgrade. There are no known workarounds for this vulnerability. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2024-46976? +

CVE-2024-46976 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-46976? +

CVE-2024-46976 affects products from linuxfoundation, specifically: backstage. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-46976? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2024-46976