CVE-2026-9519 MEDIUM

CVE-2026-9519: stonith404 pingvin-share Sign-in Auto-Redirect signIn.tsx getServerSideProps cross site scripting

Vendor Stonith404
Product pingvin-share
Weakness CWE-79 · XSS
Published May 26, 2026
Last update May 26, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

A security flaw has been discovered in stonith404 pingvin-share up to 1.13.0. This affects the function getServerSideProps of the file frontend/src/pages/auth/signIn.tsx of the component Sign-in Auto-Redirect. The manipulation of the argument redirect results in cross site scripting. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Key dates

02Disclosure timeline

May 26, 2026 CVE published
May 26, 2026 Record updated