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privilege-escalation-web

DevOps & Security
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Web 应用层权限提升。当 Web 应用存在用户注册/登录、角色权限管理、API 参数传输用户身份信息时使用。覆盖 Mass Assignment（批量赋值）攻击、角色/权限字段注入、HTTP 方法/Header 绕过、Cookie/Session 篡改。注册后立即检查普通用户能否越权访问管理员功能——这是第一优先级

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I want to install this Agent Skill for this project in Codex.

Source SKILL.md: https://github.com/wgpsec/AboutSecurity/blob/HEAD/skills/exploit/web-method/privilege-escalation-web/SKILL.md

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First, summarize what it does, its dependencies, license status if identifiable, and any risks. Show the exact files you propose to add under .agents/skills/privilege-escalation-web/. Do not write files or run scripts until I approve.

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Copying this prompt does not install or run the skill. Review third-party files before use. Codex skill guide

Web 权限提升方法论

Web 权限提升和系统提权不同——不需要 exploit，只需要找到应用逻辑中的权限检查漏洞。

⛔ 深入参考（必读）

Phase 1: 认证和账户发现

默认凭据（最快路径）

admin:admin, admin:password, admin:123456
root:root, root:toor, test:test, guest:guest

注册功能分析

注册新账户，用代理拦截请求，记录请求格式、发送字段、响应字段（可能暴露隐藏字段名）。 检查 /docs, /swagger, /openapi.json。

Phase 2: Mass Assignment（核心技术）

在注册或更新请求中添加应用未预期的字段（每次只加一个）：

{"username":"test", "password":"pass", "role":"admin"}
{"username":"test", "password":"pass", "is_admin":true}
{"username":"test", "password":"pass", "is_staff":1}

→ 完整字段清单和框架惯例 → references/web-privesc-techniques.md

Phase 3: 管理端点直接访问

GET /admin → 403? → 试 /admin/ (trailing slash) 或 /Admin (大小写)
GET /api/admin/users → 200?

Phase 4: HTTP 方法/Header 篡改 + Cookie 篡改

GET /admin/flag → 403 → 试 POST/PUT/PATCH
Header: X-Original-URL: /admin/flag / X-Forwarded-For: 127.0.0.1
Cookie: role=user → role=admin / admin=0 → admin=1

→ 完整 payload 和 Flask session 伪造 → references/web-privesc-techniques.md

Phase 5: 对象级越权

修改 URL/参数中的 ID 访问他人资源

注意事项

  • Mass Assignment 每次只改一个字段——全改可能触发 WAF
  • 注册后检查 GET /api/users/me 确认权限是否真的变了
  • 结合 IDOR + Mass Assignment 效果更好