CVE-2026-9520

LOW EPSS 25.4%

Published May 26, 20261mo ago · Modified Jun 17, 20261w ago

2.1 CVSS 4.0

Low

Published May 26, 2026 1mo ago

Last Modified Jun 17, 2026 1w ago

Description

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.

CVSS Details

Base Score

2.1

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction P

Scope X

Threat Intelligence

EPSS Exploit Probability

25.4% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 2

CWE-79 Cross-site Scripting Injection

CWE-94 Improper Control of Generation of Code (Code Injection) Injection

References 4

gist.github.com https://gist.github.com/TrebledJ/164c7ca6c8208b63e6937bc11984720b
vuldb.com https://vuldb.com/submit/814378
vuldb.com https://vuldb.com/vuln/365540
vuldb.com https://vuldb.com/vuln/365540/cti

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.