What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-26 · updated 2026-07-23
• Weakness: CWE-79

Description

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.

Affected products

• stonith404 pingvin-share: 1.0, 1.1, 1.2, 1.3, 1.4, 1.5 (+8)

References

• https://gist.github.com/TrebledJ/0efceef4f3a2e0515cc2fe96b4c22679
• https://vuldb.com/submit/814364
• https://vuldb.com/vuln/365539
• https://vuldb.com/vuln/365539/cti

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