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TI-2024-31365 Aliases CVE-2024-46976GHSA-5j94-f3mf-8685

Circumvention of cross site scripting Protection in @backstage/plugin-techdocs-backend

Priority LOW 29CWE-693Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Security bypass, Cross-site scripting
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-693 and CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00287 21st percentileScored 2026-11-07
Fix Fixed backstage (backstage): 1.10.13@backstage/plugin-techdocs-backend (npm): 1.10.13

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
backstagebackstagebefore 1.10.131.10.13Patch availableCNA
—@backstage/plugin-techdocs-backend (npm)before 1.10.131.10.13Patch availableGHSA-5j94-f3mf-8685
  • backstage Vendorbackstage Affected before 1.10.13 Fixed in 1.10.13 Patch available CNA
  • @backstage/plugin-techdocs-backend (npm) Vendor— Affected before 1.10.13 Fixed in 1.10.13 Patch available GHSA-5j94-f3mf-8685

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:linuxfoundation:backstage:*:*:*:*:*:*:*:*before 1.10.13Vulnerablebackstage
  • cpe:2.3:a:linuxfoundation:backstage:*:*:*:*:*:*:*:* Versions before 1.10.13 Vulnerable ·backstage

Remediation

  • Fix · CNA backstage (backstage) Fixed in 1.10.13
  • Fix · GHSA-5j94-f3mf-8685 @backstage/plugin-techdocs-backend (npm) Fixed in 1.10.13 Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Developer Hub (RHDH) 1.4Fixed—
Not affected: 2 products
  • Red Hat Developer Hub (RHDH) 1.4
  • Red Hat Developer Hub 1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-46976
  2. 2026-10-03 Alias added: GHSA-5j94-f3mf-8685
  3. 2026-10-27 Affected versions changed · Red Hat

References

Advisory 2

Other 1

  • TI-2023-17988 Insecure sandbox in Backstage Scaffolder plugin CVSS 3.1CRITICAL 9.9
  • TI-2026-69075 Sensitive information exposure in Backstage Scaffolder CVSS 3.1CRITICAL 9.6
  • TI-2026-69061 Path traversal in Backstage Bitbucket pull-request scaffolder actions CVSS 3.1CRITICAL 9.9
  • TI-2026-60083 Backstage: Improper input validation in TechDocs MkDocs configuration CVSS 3.1HIGH 8.8
  • TI-2026-69165 Backstage TechDocs config flaw allows code execution CVSS 3.1HIGH 8.8
  • TI-2026-69083 Code injection via MkDocs theme configuration in Backstage TechDocs CVSS 3.1HIGH 8.8
See all 52 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences