TI-2020-01301 Aliases CVE-2020-1340 GHSA-jfw3-6x4x-gprc

Cross-site scripting in Microsoft NuGetGallery

LOW 28CWE-79Published 2020-06-09 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

A spoofing vulnerability exists when the NuGetGallery does not properly sanitize input on package metadata values, aka 'NuGetGallery Spoofing Vulnerability'.

Why it matters now

EPSS 0.01578 75th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Microsoft	NuGetGallery	all versions	—	No fix listed	CNA

NuGetGallery VendorMicrosoft Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:microsoft:nugetgallery::::::::	before 2020.06.09	Vulnerable	Microsoft

cpe:2.3:a:microsoft:nugetgallery:*:*:*:*:*:*:*:* Versions before 2020.06.09 Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-1340
2026-10-03 Alias added: GHSA-jfw3-6x4x-gprc

References

Patch 1

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1340

TI-2024-36254 XSS Vulnerability in NuGetGallery's Markdown Autolinks Processing CVSS 4.0MEDIUM 6.9
TI-2024-31884 XSS vulnerability in NuGetGallery HTML attributes handling CVSS 3.1HIGH 8.2
TI-2024-24816 NuGetGallery's Markdown Autolinks Processing Vulnerable to Cross-site Scripting CVSS 3.1MEDIUM 6.1

Sources

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