CVE-2008-5604: Directory traversal vulnerability in index.php in My Simple Forum 3.0 and 4.1, when magic_quotes_gpc is disabl

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MEDIUM 6.8DOWNGRADE

CVE-2008-5604 is a medium-severity flaw (CVSS 6.8) affecting my simple forum. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in index.php in My Simple Forum 3.0 and 4.1, when magic_quotes_gpc is disabled, allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the action parameter.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.8 (Medium)
EPSS exploit chance	2.4% (top 16%)
CISA exploited list	No
Weakness	CWE-22
Published	2008-12-16
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: drennansoft

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2008-12-16 19:07 UTCPublished CVE record published
2026-06-16 23:00 UTCUpdated Record last modified

drennansoft my simple forum DOWNGRADE

Affected: 3.0 · 4.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0

1. Check installed version

apt-cache policy my-simple-forum || rpm -q my-simple-forum || my-simple-forum --version

2. No fixed release: DOWNGRADE to a release before 3.0 (Debian / Ubuntu)

apt-cache madison my-simple-forum sudo apt install my-simple-forum=<VERSION_BEFORE_3.0> sudo apt-mark hold my-simple-forum

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list my-simple-forum sudo dnf downgrade my-simple-forum-<VERSION_BEFORE_3.0> sudo dnf versionlock add my-simple-forum

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: My Simple Forum 3.0 - Local File Inclusion

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2008-5604?

my simple forum: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2008-5604 being exploited?

CVE-2008-5604 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2008-5604 affect?

CVE-2008-5604 affects my simple forum. Severity is medium (CVSS 6.8). Directory traversal vulnerability in index.php in My Simple Forum 3.0 and 4.1, when magic_quotes_gpc is disabled, allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the action parameter.

How urgent is CVE-2008-5604?

Priority 50/100. Public exploit reference

Software pages

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References

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