SQL injection in MegaCMS by CRM Sistemas de Fidelización

Posted date 29/04/2026
Identificador
INCIBE-2026-319
Importance
5 - Critical
Affected Resources

MegaCMS in version 12.0.0.

Description

INCIBE has coordinated the publication of a critical severity vulnerability affecting MegaCMS by CRM Sistemas de Fidelización, software for managing reservation systems, ticketing, online sales, etc. The vulnerability was discovered by Miguel Ovejero (Lapsor).

This vulnerability has been assigned the following code, CVSS v4.0 base score, CVSS vector and CWE vulnerability type:

  • CVE-2026-3325: CVSS v4.0: 10 | CVSS AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L | CWE-89
Solution

Update to the latest available version.

Detail

CVE-2026-3325: SQL injection (SQLi) in MegaCMS v12.0.0, specifically in the “id_territorio” parameter of the “/web_comunications/cms/get_provincias” endpoint. The vulnerability arises from inadequate validation and sanitisation of user input. Specifically, via a POST request, the “id_territorio” parameter, used immediately after the registration form is submitted, could be manipulated by an unauthenticated attacker to execute arbitrary SQL queries.

CVE
Identificador CVE Severidad Explotación Fabricante
CVE-2026-3325 Crítica No CRM Sistemas de Fidelización
References list