CVE-2006-3362: Unrestricted file upload vulnerability in connectors/php/connector.php in FCKeditor mcpuk file manager, as use

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MEDIUM 5.1DOWNGRADEDOWNGRADE

CVE-2006-3362 is a medium-severity flaw (CVSS 5.1) affecting geeklog, toendacms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unrestricted file upload vulnerability in connectors/php/connector.php in FCKeditor mcpuk file manager, as used in (1) Geeklog 1.4.0 through 1.4.0sr3, (2) toendaCMS 1.0.0 Shizouka Stable and earlier, (3) WeBid 0.5.4, and possibly other products, when installed on Apache with mod_mime, allows remote attackers to upload and execute arbitrary PHP code via a filename with a .php extension and a trailing extension that is allowed, such as .zip.

Why this priority

EPSS top 8%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	5.1 (Medium)
EPSS exploit chance	5.1% (top 8%)
CISA exploited list	No
Published	2006-07-06
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: geeklog · toenda software development

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

Am I affected?

Timeline

2006-07-06 20:05 UTCPublished CVE record published
2026-06-16 22:26 UTCUpdated Record last modified

geeklog geeklog DOWNGRADE

Affected: 1.4.0 · 1.4.0_sr1 · 1.4.0_sr2 · 1.4.0_sr3

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.4.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.4.0 (Debian / Ubuntu)

apt-cache madison geeklog sudo apt install geeklog=<VERSION_BEFORE_1.4.0> sudo apt-mark hold geeklog

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

dnf --showduplicates list geeklog sudo dnf downgrade geeklog-<VERSION_BEFORE_1.4.0> sudo dnf versionlock add geeklog

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.

toenda software development toendacms DOWNGRADE

Affected: 0.6.1 · 0.6.2 · 0.7 · 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.6.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.6.1 (Debian / Ubuntu)

apt-cache madison toendacms sudo apt install toendacms=<VERSION_BEFORE_0.6.1> sudo apt-mark hold toendacms

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

dnf --showduplicates list toendacms sudo dnf downgrade toendacms-<VERSION_BEFORE_0.6.1> sudo dnf versionlock add toendacms

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: GeekLog 1.4.0sr3 - 'f(u)ckeditor' Remote Code Execution

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-2006-3362?

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

Is CVE-2006-3362 being exploited?

CVE-2006-3362 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-2006-3362 affect?

CVE-2006-3362 affects geeklog, toendacms. Severity is medium (CVSS 5.1). Unrestricted file upload vulnerability in connectors/php/connector.php in FCKeditor mcpuk file manager, as used in (1) Geeklog 1.4.0 through 1.4.0sr3, (2) toendaCMS 1.0.0 Shizouka Stable and earlier, (3) WeBid 0.5.4, and possibly other prod

How urgent is CVE-2006-3362?

Priority 46/100. EPSS top 8%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

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References

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