CVE-2013-10032: getsimplecms Missing Auth — Exploit

Description

An authenticated remote code execution vulnerability exists in GetSimpleCMS version 3.2.1. The application’s upload.php endpoint allows authenticated users to upload arbitrary files without proper validation of MIME types or extensions. By uploading a .pht file containing PHP code, an attacker can bypass blacklist-based restrictions and place executable code within the web root. A crafted request using a polyglot or disguised extension allows the attacker to execute the payload by accessing the file directly via the web server. This vulnerability exists due to the use of a blacklist for filtering file types instead of a whitelist.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-306 Missing Authentication

CWE-434 Unrestricted Upload

Affected Products

Vendor	Product	Versions
get-simple	getsimplecms	All

References

Exploits

https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/unix/webapp/get_simple_cms_upload_exec.rb https://www.exploit-db.com/exploits/25405

Other References

https://get-simple.info https://www.broadcom.com/support/security-center/attacksignatures/detail?asid=27895 https://www.fortiguard.com/encyclopedia/ips/39295 https://www.vulncheck.com/advisories/getsimple-cms-auth-rce-via-arbitrary-php-file-upload

Frequently Asked Questions

What is CVE-2013-10032? +

An authenticated remote code execution vulnerability exists in GetSimpleCMS version 3.2.1. The application’s upload.php endpoint allows authenticated users to upload arbitrary files without proper validation of MIME types or extensions. By uploading a .pht file containing PHP code, an attacker can bypass blacklist-based restrictions and place executable code within the web root. A crafted request using a polyglot or disguised extension allows the attacker to execute the payload by accessing the file directly via the web server. This vulnerability exists due to the use of a blacklist for filtering file types instead of a whitelist. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2013-10032? +

CVE-2013-10032 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2013-10032? +

CVE-2013-10032 affects products from get-simple, specifically: getsimplecms. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2013-10032? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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