CVE-2011-10009 S40 CMS 0.4.2 Path Traversal

High 8.7 Published Updated

Attackers can remotely access arbitrary files outside the web root via unsanitized input in S40 CMS, leading to information disclosure.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2011-10009?

CVE-2011-10009 is a high-severity path traversal vulnerability in S40 CMS, published on 13 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-22

Which versions are affected by CVE-2011-10009?

How do I fix CVE-2011-10009?

No fix has been published for CVE-2011-10009 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2011-10009 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-10009 exists.

Public exploit code: 1 Metasploit module.

Sources

Also known as GHSA-2gj5-g2gq-97mp.

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