CVE-2021-47918

Simple CMS 2.1 SQL Injection Vulnerability via Users Module

Published Feb 1, 2026 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
Description
Simple CMS 2.1 contains a remote SQL injection vulnerability that allows privileged attackers to inject unfiltered SQL commands in the users module. Attackers can exploit unvalidated input parameters in the admin.php file to compromise the database management system and web application.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Simple-cms Project
Simple-cms Project simple Cms
CPEs cpe:2.3:a:simple-cms_project:simple_cms:2.1:*:*:*:*:*:*:*
Vendors & Products Simple-cms Project
Simple-cms Project simple Cms
Type Values Removed Values Added
First Time appeared Simplephpscripts simple Cms Php
CPEs cpe:2.3:a:simplephpscripts:simple_cms_php:2.1:*:*:*:*:*:*:*
Vendors & Products Simplephpscripts simple Cms Php
Type Values Removed Values Added
First Time appeared Simplephpscripts
Simplephpscripts simple Cms
Vendors & Products Simplephpscripts
Simplephpscripts simple Cms
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Simple CMS 2.1 contains a remote SQL injection vulnerability that allows privileged attackers to inject unfiltered SQL commands in the users module. Attackers can exploit unvalidated input parameters in the admin.php file to compromise the database management system and web application.
Title Simple CMS 2.1 SQL Injection Vulnerability via Users Module
Weaknesses CWE-89
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Mar 5, 2026, 1:29 AM
Reserved
Feb 1, 2026, 11:24 AM
Status
Analyzed
Published
Feb 1, 2026, 1:15 PM
Modified
Jun 17, 2026, 4:18 AM