Read the docs
TI-2021-21134 Aliases CVE-2021-46251GHSA-qm66-q3cq-c2q3

A reflected cross-site scripting (XSS) in ScratchOAuth2 before commit…

Priority LOW 28CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
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 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

A reflected cross-site scripting (XSS) in ScratchOAuth2 before commit 1603f04e44ef67dde6ccffe866d2dca16defb293 allows attackers to execute arbitrary web scripts or HTML via a crafted POST request.

Why it matters now

EPSS 0.00562 46th 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:scratchoauth2_project:scratchoauth2:*:*:*:*:*:scratch:*:*before 2021-04-12VulnerableScratchoauth2 Project
  • cpe:2.3:a:scratchoauth2_project:scratchoauth2:*:*:*:*:*:scratch:*:* Versions before 2021-04-12 Vulnerable ·Scratchoauth2 Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-46251
  2. 2026-10-03 Alias added: GHSA-qm66-q3cq-c2q3

References

  • TI-2021-21133 An issue in SOA2Login::commented of ScratchOAuth2 before commit… CVSS 3.1CRITICAL 10.0
  • TI-2021-10150 Account compromise by man-in-the-middle attack CVSS 3.1HIGH 8.0
  • TI-2021-21132 An authorization bypass exploited by a user-controlled key in SpecificApps REST API in… CVSS 3.1MEDIUM 6.5

Sources