CVE-2006-3773: PHP remote file inclusion vulnerability in smf.php in the SMF-Forum 1.3.1.3 Bridge Component (com_smf) For Joo

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MEDIUM 6.8DOWNGRADE

CVE-2006-3773 is a medium-severity flaw (CVSS 6.8) affecting smf-forum. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in smf.php in the SMF-Forum 1.3.1.3 Bridge Component (com_smf) For Joomla! and Mambo 4.5.3+ allows remote attackers to execute arbitrary PHP code via a URL in the mosConfig_absolute_path parameter.

Why this priority

EPSS top 7%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	6.8 (Medium)
EPSS exploit chance	5.9% (top 7%)
CISA exploited list	No
Weakness	CWE-94
Published	2006-07-24
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mambo

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

Am I affected?

Timeline

2006-07-24 12:19 UTCPublished CVE record published
2026-06-16 22:27 UTCUpdated Record last modified

mambo smf-forum DOWNGRADE

Affected: 1.3.1.3_bridge_component

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.3.1.3_bridge_component

1. Check installed version

apt-cache policy smf-forum || rpm -q smf-forum || smf-forum --version

2. No fixed release: DOWNGRADE to a release before 1.3.1.3_bridge_component (Debian / Ubuntu)

apt-cache madison smf-forum sudo apt install smf-forum=<VERSION_BEFORE_1.3.1.3_bridge_component> sudo apt-mark hold smf-forum

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

dnf --showduplicates list smf-forum sudo dnf downgrade smf-forum-<VERSION_BEFORE_1.3.1.3_bridge_component> sudo dnf versionlock add smf-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: Mambo Component SMF Forum 1.3.1.3 - Remote 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-2006-3773?

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

Is CVE-2006-3773 being exploited?

CVE-2006-3773 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-2006-3773 affect?

CVE-2006-3773 affects smf-forum. Severity is medium (CVSS 6.8). PHP remote file inclusion vulnerability in smf.php in the SMF-Forum 1.3.1.3 Bridge Component (com_smf) For Joomla! and Mambo 4.5.3+ allows remote attackers to execute arbitrary PHP code via a URL in the mosConfig_absolute_path parameter.

How urgent is CVE-2006-3773?

Priority 52/100. EPSS top 7%: very likely to be exploited; Public exploit reference

Software pages

Joomla vulnerabilities · PHP vulnerabilities

References

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