EIP-2026-113418

PRE-CVE

WHMCS 4.x - 'invoicefunctions.php?id' SQL Injection

Title source: legacy

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-113418. PoCs published by Ahmed Aboul-Ela.

AI-analyzed exploit summary This is a detailed technical analysis of a SQL injection vulnerability in WHMCS 4.x, specifically in the `/includes/invoicefunctions.php` file. The writeup includes vulnerable code snippets, exploitation steps, and prerequisites for successful exploitation.

Description

WHMCS 4.x - 'invoicefunctions.php?id' SQL Injection

Exploits (1)

exploitdb WRITEUP

by Ahmed Aboul-Ela · textwebappsphp

https://www.exploit-db.com/exploits/25442

View Code ZIP pw:eip

This is a detailed technical analysis of a SQL injection vulnerability in WHMCS 4.x, specifically in the `/includes/invoicefunctions.php` file. The writeup includes vulnerable code snippets, exploitation steps, and prerequisites for successful exploitation.

Classification

Writeup 95%

Attack Type

Sqli

Complexity

Trivial

Reliability

Reliable

Target: WHMCS 4.5.2 and prior versions

No auth needed

Prerequisites: Group Similar Line Items option enabled in WHMCS Admin

MITRE ATT&CK

T1189 - Drive-by Compromise T1190 - Exploit Public-Facing Application

devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve

Tracked Since Feb 18, 2026