Simple CMS 2.1 SQL Injection Vulnerability via Users Module
Priority HIGH 72CWE-89Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- SQL injection
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-89.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00567 47th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| SimplePHPscripts | Simple CMS | 2.1 | — | No fix listed | CNA |
- Simple CMS VendorSimplePHPscripts Affected 2.1 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:simplephpscripts:simple_cms_php:2.1:*:*:*:*:*:*:* | 2.1 | Vulnerable | SimplePHPscripts |
- cpe:2.3:a:simplephpscripts:simple_cms_php:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·SimplePHPscripts
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-47918
- 2026-10-03 Alias added: GHSA-h64m-fxq4-m43w
References
Exploit 1
Other 1
More SimplePHPscripts Simple Cms Php vulnerabilities
- TI-2021-22532 Simple CMS 2.1 Non-Persistent Cross-Site Scripting via Preview Parameter CVSS 4.0MEDIUM 5.1
- TI-2021-22530 Simple CMS 2.1 Persistent Cross-Site Scripting via User Input Parameters CVSS 4.0MEDIUM 5.1
Sources
- CVE-2021-47918 · CVE Program
- CVE-2021-47918 · NVD
- FIRST EPSS
- GHSA-h64m-fxq4-m43w · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences