Authenticated database compromise via unfiltered admin parameters
Published Feb 1, 2026 · Updated Feb 1, 2026
SQL injection in the users module of SimplePHPscripts Simple CMS PHP 2.1 allows remote authenticated users to read or alter database data. The admin.php users handler accepts unvalidated input parameters and executes resulting SQL commands without filtering their SQL syntax. A privileged CMS account is required, and exploitation can expose or modify application-managed database content; no availability impact is reported.
Summary
What happened
SQL injection in the users module of SimplePHPscripts Simple CMS PHP 2.1 allows remote authenticated users to read or alter database data. The admin.php users handler accepts unvalidated input parameters and executes resulting SQL commands without filtering their SQL syntax. A privileged CMS account is required, and exploitation can expose or modify application-managed database content; no availability impact is reported.
The record
- CVE
- CVE-2021-47918
- Published
- Feb 1, 2026
- Updated
- Feb 1, 2026
- Vendor
- SimplePHPscripts
- Product
- Simple CMS PHP
- Classifications
- CWE-89, T1190
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Feb 1, 2026CVE publishedPublication date reported by the CVE source.
- Feb 1, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=2.1
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- Vulnerability Lab Simple CMS v2.1 SQL Injection proof of conceptproof of concept · unverified
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Technologies
Your stack
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Your stack
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