CVE-2008-6659

What it is

Directory traversal vulnerability in index.php in Simple Machines Forum (SMF) 1.0 before 1.0.15 and 1.1 before 1.1.7 allows remote authenticated users to configure arbitrary local files for execution via directory traversal sequences in the value of the theme_dir field during a jsoption action, related to Sources/QueryString.php and Sources/Themes.php, as demonstrated by a local .gif file in attachments/ with PHP code that was uploaded through a profile2 action to index.php.

At a glance

Exploitability

Can be exploited over the network with a login. Limited direct impact.

Exploit odds

3.3% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2009-04-07 19:30 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:02 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 3.3% in the next 30 days (EPSS).
• Severity: 5.5 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2009-04-07 19:30 UTC

Last modified

2026-06-16 23:02 UTC

Exploit probability

3.3% · EPSS, next 30 days

Weakness

CWE-22 · Path traversal

Record status

Modified

Affected

• Simple Machines Simple Machines Forum 1.0.5
• Simple Machines Simple Machines Forum 1.0.6
• Simple Machines Simple Machines Forum 1.0.7
• Simple Machines Simple Machines Forum 1.0.11
• Simple Machines Simple Machines Forum 1.0.12
• Simple Machines Simple Machines Forum 1.1.1
• Simple Machines Simple Machines Forum 1.1.2
• Simple Machines Simple Machines Forum 1.1.3

Attack profile CVSS 2.0 · 5.5

Attack vector

Network

Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2008-6659.md and follow it. Check whether this project is affected by CVE-2008-6659. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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