CVE-2023-49954

CRITICAL

3CX < 18.0.9.23 and 20 < 20.0.0.1494 - SQL Injection via CRM Integration

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-49954. PoCs published by CVE-2023-49954.

AI-analyzed exploit summary This repository provides a detailed technical analysis of CVE-2023-49954, a SQL injection vulnerability in 3CX CRM Integration. It explains how unsanitized user input in placeholders like [SearchText] and [Email] can be exploited in both authenticated (WebClient) and unauthenticated (LiveChat API) contexts.

Description

The CRM Integration in 3CX before 18.0.9.23 and 20 before 20.0.0.1494 allows SQL Injection via a first name, search string, or email address.

Exploits (1)

nomisec WRITEUP 2 stars
by CVE-2023-49954 · poc
https://github.com/CVE-2023-49954/CVE-2023-49954.github.io

This repository provides a detailed technical analysis of CVE-2023-49954, a SQL injection vulnerability in 3CX CRM Integration. It explains how unsanitized user input in placeholders like [SearchText] and [Email] can be exploited in both authenticated (WebClient) and unauthenticated (LiveChat API) contexts.

Classification
Writeup 95%
Attack Type
Sqli
Complexity
Trivial
Reliability
Reliable
Target: 3CX CRM Integration (versions < 18.0.9.23 and < 20.0.0.1494)
No auth needed
Prerequisites: Access to 3CX WebClient or LiveChat API endpoint
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (1)

Core 1
Core References
Third Party Advisory
https://cve-2023-49954.github.io/

Scores

CVSS v3 9.8
EPSS 0.0224
EPSS Percentile 80.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-89
Status published
Products (1)
3cx/3cx < 18.0.9.23
Published Dec 25, 2023
Tracked Since Feb 18, 2026