How severe is CVE-2008-6178?

CVE-2008-6178 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2008-6178 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-6178?

CVE-2008-6178 primarily affects Fckeditor. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-6178?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2008-6178 published?

CVE-2008-6178 was published on 2009-02-19 and last updated on 2026-06-16.

CVE-2008-6178

CVE-2008-6178 is a high-severity vulnerability in Fckeditor with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Fckeditor
Published: 2009-02-19
Last modified: 2026-06-16

Description

Unrestricted file upload vulnerability in editor/filemanager/browser/default/connectors/php/connector.php in FCKeditor 2.2, as used in Falt4 CMS, Nuke ET, and other products, allows remote attackers to execute arbitrary code by creating a file with PHP sequences preceded by a ZIP header, uploading this file via a FileUpload action with the application/zip content type, and then accessing this file via a direct request to the file in UserFiles/File/, probably a related issue to CVE-2005-4094. NOTE: some of these details are obtained from third party information.

Frequently asked questions

What is CVE-2008-6178?: Unrestricted file upload vulnerability in editor/filemanager/browser/default/connectors/php/connector.php in FCKeditor 2.2, as used in Falt4 CMS, Nuke ET, and other products, allows remote attackers to execute arbitrary code by creating a file with PHP sequences preceded by a ZIP header, uploading this file via a FileUpload action with the application/zip content type, and then accessing this file via a direct request to the file in UserFiles/File/, probably a related issue to CVE-2005-4094. NOTE: some of these details are obtained from third party information.
How severe is CVE-2008-6178?: CVE-2008-6178 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2008-6178 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-6178?: CVE-2008-6178 primarily affects Fckeditor. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-6178?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2008-6178 published?: CVE-2008-6178 was published on 2009-02-19 and last updated on 2026-06-16.

References

Affected products (11)

cpe:2.3:a:fckeditor:fckeditor:2.0rc2:*:*:*:*:*:*:*
cpe:2.3:a:fckeditor:fckeditor:2.0rc3:*:*:*:*:*:*:*
cpe:2.3:a:fckeditor:fckeditor:2.2:*:*:*:*:*:*:*
cpe:2.3:a:fckeditor:fckeditor:2.3beta:*:*:*:*:*:*:*
cpe:2.3:a:fckeditor:fckeditor:2.4.3:*:*:*:*:*:*:*
cpe:2.3:a:phplist:phplist:2.10.1:*:*:*:*:*:*:*
cpe:2.3:a:phplist:phplist:2.10.2:*:*:*:*:*:*:*
cpe:2.3:a:phplist:phplist:2.10.3:*:*:*:*:*:*:*
cpe:2.3:a:phplist:phplist:2.10.4:*:*:*:*:*:*:*
cpe:2.3:a:phplist:phplist:2.10.5:*:*:*:*:*:*:*
cpe:2.3:a:phplist:phplist:2.10.6:*:*:*:*:*:*:*

More vulnerabilities in Fckeditor

CVE-2009-2265 — High (CVSS 7.5): Multiple directory traversal vulnerabilities in FCKeditor before 2.6.4.1 allow remote attackers to create executable…
CVE-2006-0921 — Medium (CVSS 6.4): Multiple directory traversal vulnerabilities in connector.php in FCKeditor 2.0 FC, as used in products such as RunCMS,…
CVE-2006-2529 — Medium (CVSS 5.0): editor/filemanager/upload/php/upload.php in FCKeditor before 2.3 Beta, when the upload feature is enabled, does not…
CVE-2006-0658 — Medium (CVSS 5.0): Incomplete blacklist vulnerability in connector.php in FCKeditor 2.0 and 2.2, as used in products such as RunCMS,…
CVE-2005-0613 — Medium (CVSS 5.0): Unknown vulnerability in FCKeditor 2.0 RC2, when used with PHP-Nuke, allows remote attackers to upload arbitrary files.
CVE-2009-2324 — Medium (CVSS 4.3): Multiple cross-site scripting (XSS) vulnerabilities in FCKeditor before 2.6.4.1 allow remote attackers to inject…

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