CVE-2006-5413: Multiple PHP remote file inclusion vulnerabilities in SuperMod 3.0.0 for YABB (YaBBSM) allow remote attackers

This month

HIGH 7.5DOWNGRADE

CVE-2006-5413 is a high-severity flaw (CVSS 7.5) affecting supermod. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple PHP remote file inclusion vulnerabilities in SuperMod 3.0.0 for YABB (YaBBSM) allow remote attackers to execute arbitrary PHP code via a URL in the sourcedir parameter to (1) Offline.php, (2) Sources/Admin.php, (3) Sources/Offline.php, or (4) content/portalshow.php.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	3.2% (top 12%)
CISA exploited list	No
Published	2006-10-20
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: supermod

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

Am I affected?

Timeline

2006-10-20 14:07 UTCPublished CVE record published
2026-06-16 22:31 UTCUpdated Record last modified

supermod supermod DOWNGRADE

Affected: 3.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0.0

1. Check installed version

apt-cache policy supermod || rpm -q supermod || supermod --version

2. No fixed release: DOWNGRADE to a release before 3.0.0 (Debian / Ubuntu)

apt-cache madison supermod sudo apt install supermod=<VERSION_BEFORE_3.0.0> sudo apt-mark hold supermod

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

dnf --showduplicates list supermod sudo dnf downgrade supermod-<VERSION_BEFORE_3.0.0> sudo dnf versionlock add supermod

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: YaBBSM 3.0.0 - 'Offline.php' 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-2006-5413?

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

Is CVE-2006-5413 being exploited?

CVE-2006-5413 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-2006-5413 affect?

CVE-2006-5413 affects supermod. Severity is high (CVSS 7.5). Multiple PHP remote file inclusion vulnerabilities in SuperMod 3.0.0 for YABB (YaBBSM) allow remote attackers to execute arbitrary PHP code via a URL in the sourcedir parameter to (1) Offline.php, (2) Sources/Admin.php, (3) Sources/Offline.

How urgent is CVE-2006-5413?

Priority 53/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

References

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