CVE-2024-46976: backstage Protection Mechanism Failure

Vulnerability summary

CVE-2024-46976 is a medium (CVSS 6.5) Protection Mechanism Failure vulnerability in backstage. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 19.8% of scored vulnerabilities.

Timeline

1. 17-09-2024
   PublishedVulnerability first disclosed.
2. 18-09-2024
   Last modifiedVulnerability information updated.

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.

• CWE-693Protection Mechanism FailureThe product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.
• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.