CVE-2006-3751: PHP remote file inclusion vulnerability in popups/ImageManager/config.inc.php in the HTMLArea3 Addon Component

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MEDIUM 6.8DOWNGRADE

CVE-2006-3751 is a medium-severity flaw (CVSS 6.8) affecting htmlarea3. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in popups/ImageManager/config.inc.php in the HTMLArea3 Addon Component (com_htmlarea3_xtd-c) for ImageManager 1.5 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	5.6% (top 7%)
CISA exploited list	No
Weakness	CWE-94
Published	2006-07-21
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: htmlarea3

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

htmlarea3 htmlarea3 DOWNGRADE

Affected: 1.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5

1. Check installed version

apt-cache policy htmlarea3 || rpm -q htmlarea3 || htmlarea3 --version

2. No fixed release: DOWNGRADE to a release before 1.5 (Debian / Ubuntu)

apt-cache madison htmlarea3 sudo apt install htmlarea3=<VERSION_BEFORE_1.5> sudo apt-mark hold htmlarea3

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

dnf --showduplicates list htmlarea3 sudo dnf downgrade htmlarea3-<VERSION_BEFORE_1.5> sudo dnf versionlock add htmlarea3

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 Module HTMLArea3 1.5 - 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-2006-3751?

htmlarea3: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-3751 being exploited?

CVE-2006-3751 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-2006-3751 affect?

CVE-2006-3751 affects htmlarea3. Severity is medium (CVSS 6.8). PHP remote file inclusion vulnerability in popups/ImageManager/config.inc.php in the HTMLArea3 Addon Component (com_htmlarea3_xtd-c) for ImageManager 1.5 allows remote attackers to execute arbitrary PHP code via a URL in the mosConfig_absol

How urgent is CVE-2006-3751?

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

Software pages

PHP vulnerabilities

References

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