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CVE-2025-57520 PoC — decap-cms 安全漏洞

Source
https://github.com/onurcangnc/CVE-2025-57520-Stored-XSS-in-Decap-CMS-3.8.3-
Associated Vulnerability
Title:decap-cms 安全漏洞 (CVE-2025-57520)
Description:A Cross Site Scripting (XSS) vulnerability exists in Decap CMS thru 3.8.3. Input fields such as body, tags, title, and description are not properly sanitized before being rendered in the content preview pane. This enables an attacker to inject arbitrary JavaScript which executes whenever a user views the preview panel. The vulnerability affects multiple input vectors and does not require user interaction beyond viewing the affected content.
Description
A stored cross-site scripting (XSS) vulnerability exists in Decap CMS up to version 3.8.3.   The issue affects multiple input fields in the **admin interface** and is triggered when a privileged user opens the **content preview panel** of a malicious entry.
File Snapshot

 [4.0K]  /data/pocs/3d02c01001bb02b3443db423c9429ddcd8ca9f44
├── [1.9K]  readme.MD
└── [4.0K]  screenshots
    ├── [1.2M]  vulnerable2.png
    └── [ 81K]  vulnerable.png

1 directory, 3 files
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