CVE-2026-3325

CRITICAL

SQL injection in MegaCMS by CRM Sistemas de Fidelización

Title source: cna
STIX 2.1

Description

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.

References (1)

Core 1

Scores

CVSS v4 10.0
EPSS 0.0027
EPSS Percentile 18.1%
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-89
Status published
Products (1)
CRM Sistemas de Fidelización/MegaCMS 12.0.0
Published Apr 29, 2026
Tracked Since Apr 29, 2026