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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.

PUBLISHED Reserved 2026-05-25 | Published 2026-05-26 | Updated 2026-05-26 | Assigner VulDB




MEDIUM: 5.3CVSS: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
MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
MEDIUM: 4.3CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
5.0AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR

Problem types

Cross Site Scripting

Code Injection

Product status

1.0
affected

1.1
affected

1.2
affected

1.3
affected

1.4
affected

1.5
affected

1.6
affected

1.7
affected

1.8
affected

1.9
affected

1.10
affected

1.11
affected

1.12
affected

1.13.0
affected

Timeline

2026-05-25:Advisory disclosed
2026-05-25:VulDB entry created
2026-05-25:VulDB entry last update

Credits

trebledj (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/365539 (VDB-365539 | stonith404 pingvin-share Sign-in Auto-Redirect signIn.tsx getServerSideProps cross site scripting) vdb-entry technical-description

vuldb.com/vuln/365539/cti (VDB-365539 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/814364 (Submit #814364 | stonith404 pingvin-share 1.13.0 DOM-Based XSS, Open Redirect) third-party-advisory

gist.github.com/TrebledJ/0efceef4f3a2e0515cc2fe96b4c22679 exploit

cve.org (CVE-2026-9519)

nvd.nist.gov (CVE-2026-9519)

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