What’s Vulnerable › Vulnerabilities

CVE-2011-10009: S40 CMS 0.4.2 Path Traversal

• Severity: high (CVSS 8.7 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-08-13 · updated 2026-06-16
• Weakness: CWE-22

Description

S40 CMS v0.4.2 contains a path traversal vulnerability in its index.php page handler. The p parameter is not properly sanitized, allowing attackers to traverse the file system and access arbitrary files outside the web root. This can be exploited remotely without authentication by appending traversal sequences and a null byte to bypass file extension checks.

Affected products

• S40 CMS: 0.4.2

References

• https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/scanner/http/s40_traversal.rb
• https://web.archive.org/web/20110613222630/http://y-osirys.com/security/exploits/id27
• https://web.archive.org/web/20120531114058/http://s40.biz/
• https://www.exploit-db.com/exploits/17129
• https://www.vulncheck.com/advisories/s40-cms-path-traversal
• https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/scanner/http/s40_traversal.rb

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