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

Quick assessment

Affected
stonith404 pingvin-share
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Pingvin Share是Elias Schneider个人开发者的一个自托管的文件共享平台。 Pingvin Share 1.13.0及之前版本存在代码注入漏洞，该漏洞源于Sign-in Auto-Redirect组件中frontend/src/pages/auth/signIn.tsx文件的getServerSideProps函数对redirect参数操作不当，可能导致跨站脚本攻击。

CVSS 4.3 · Medium EPSS 0.34% · P26

Affected Version Matrix 14

VendorProduct Version RangeStatus
stonith404 pingvin-share 1.0 affected
1.1 affected
1.2 affected
1.3 affected
1.4 affected
1.5 affected
1.6 affected
1.7 affected
… +6 more rows
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I. Basic Information for CVE-2026-9519

Vulnerability Information
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Vulnerability Title
stonith404 pingvin-share Sign-in Auto-Redirect signIn.tsx getServerSideProps cross site scripting
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Pingvin Share 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pingvin Share是Elias Schneider个人开发者的一个自托管的文件共享平台。 Pingvin Share 1.13.0及之前版本存在代码注入漏洞，该漏洞源于Sign-in Auto-Redirect组件中frontend/src/pages/auth/signIn.tsx文件的getServerSideProps函数对redirect参数操作不当，可能导致跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
stonith404 pingvin-share 1.0 cpe:2.3:a:stonith404:pingvin-share:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-9519

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III. Intelligence Information for CVE-2026-9519

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Other References for CVE-2026-9519 (1)

IV. Related Vulnerabilities

Same product: pingvin-share
Same vendor: stonith404
Same weakness: CWE-79

V. Comments for CVE-2026-9519

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