9.0CVSSCRITICAL
Description
Unrestricted file upload vulnerability in the DownloadsPlus module in PHP-Nuke allows remote attackers to execute arbitrary code by uploading a file with (1) .htm, (2) .html, or (3) .txt extensions, then accessing it via a direct request to the file. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information. NOTE: it is unclear how allowing the upload of .html or .txt files supports arbitrary code execution; this might be legitimate functionality.
CVSS Vector Breakdown
Exploitability
AV:NAccess VectorNetwork
AC:LAccess ComplexityLow
Au:SAuthenticationSingle
Impact
C:CConfidentialityComplete
I:CIntegrityComplete
A:CAvailabilityComplete
Weaknesses
Affected Products
Attack Graph
Products CVE Techniques Tactics
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Exploitability
No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
MITRE ATT&CK
1 technique Initial Access
References
Timeline
Published
Oct 28, 2008
Last Updated
Apr 23, 2026
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