CVE-2006-3735: Multiple PHP remote file inclusion vulnerabilities in Mail2Forum (module for phpBB) 1.2 and earlier allow remo

Q: How do I fix CVE-2006-3735?

mail2forum: upgrade to newer than 1.2. Exact commands for each OS are on this page.

Q: Is CVE-2006-3735 being exploited?

CVE-2006-3735 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2006-3735 affect?

CVE-2006-3735 affects mail2forum. Severity is medium (CVSS 5.1). Multiple PHP remote file inclusion vulnerabilities in Mail2Forum (module for phpBB) 1.2 and earlier allow remote attackers to execute arbitrary PHP code via a URL in the m2f_root_path parameter to (1) m2f/m2f_phpbb204.php, (2) m2f/m2f_forum

Q: How urgent is CVE-2006-3735?

Priority 47/100. EPSS top 5%: very likely to be exploited; Public exploit reference

This week

MEDIUM 5.1UPGRADE

CVE-2006-3735 is a medium-severity flaw (CVSS 5.1) affecting mail2forum. 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 Mail2Forum (module for phpBB) 1.2 and earlier allow remote attackers to execute arbitrary PHP code via a URL in the m2f_root_path parameter to (1) m2f/m2f_phpbb204.php, (2) m2f/m2f_forum.php, (3) m2f/m2f_mailinglist.php or (4) m2f/m2f_cron.php.

Why this priority

EPSS top 5%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.1 (Medium)
EPSS exploit chance	9.4% (top 5%)
CISA exploited list	No
Published	2006-07-21
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mail2forum

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

Am I affected?

Timeline

2006-07-21 14:03 UTCPublished CVE record published
2026-06-16 22:27 UTCUpdated Record last modified

mail2forum mail2forum UPGRADE

Affected: <= 1.2

Fixed in: newer than 1.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mail2forum || rpm -q mail2forum || mail2forum --version

2. UPGRADE to newer than 1.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mail2forum

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mail2forum

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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: mail2forum phpBB Mod 1.2 - 'm2f_root_path' 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-2006-3735?

mail2forum: upgrade to newer than 1.2. Exact commands for each OS are on this page.

Is CVE-2006-3735 being exploited?

CVE-2006-3735 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-2006-3735 affect?

CVE-2006-3735 affects mail2forum. Severity is medium (CVSS 5.1). Multiple PHP remote file inclusion vulnerabilities in Mail2Forum (module for phpBB) 1.2 and earlier allow remote attackers to execute arbitrary PHP code via a URL in the m2f_root_path parameter to (1) m2f/m2f_phpbb204.php, (2) m2f/m2f_forum

How urgent is CVE-2006-3735?

Priority 47/100. EPSS top 5%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

References

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