CVE-2018-11671

HIGH

GreenCMS v2.3.0603 - Cross-Site Request Forgery via Admin User Addition

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-11671. PoCs published by xichao.

AI-analyzed exploit summary This is a CSRF exploit for GreenCMS v2.3.0603 that allows an attacker to add an admin account via a crafted HTML form. The PoC demonstrates the vulnerability by submitting a POST request to the target endpoint with predefined admin credentials.

Description

An issue was discovered in GreenCMS v2.3.0603. There is a CSRF vulnerability that can add an admin account via index.php?m=admin&c=access&a=adduserhandle.

Exploits (1)

exploitdb WORKING POC
by xichao · htmlwebappsphp
https://www.exploit-db.com/exploits/44826

This is a CSRF exploit for GreenCMS v2.3.0603 that allows an attacker to add an admin account via a crafted HTML form. The PoC demonstrates the vulnerability by submitting a POST request to the target endpoint with predefined admin credentials.

Classification
Working Poc 100%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: GreenCMS v2.3.0603
No auth needed
Prerequisites: Victim must visit the malicious HTML page while authenticated as an admin in GreenCMS
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/GreenCMS/GreenCMS/issues/109
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/44826/

Scores

CVSS v3 8.8
EPSS 0.0023
EPSS Percentile 46.5%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-352
Status published
Products (1)
njtech/greencms 2.3.0603
Published Jun 01, 2018
Tracked Since Feb 18, 2026