CVE-2026-9520
A weakness has been identified in blitz-js blitz up to 3.0.2 on GitHub. This impacts an unknown function of the file packages/generator/templates/app/src/app/auth/components/LoginForm.tsx of the component Sign-in. This manipulation of the argument Next causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Published:May 26, 2026
Last Modified:May 27, 2026
EPS:May 26, 2026
EPSS Score:0.00031
CVSS Score:4.3
Affected Products
Vendor
Product
Action
Vendor
Blitz-js
Product
Blitz
Blitz-js
Blitz
Vendor
Blitzjs
Product
Blitz
Blitzjs
Blitz
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
