Is CVE-2008-4767 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2008-4767, but active exploitation has not been confirmed.

Can CVE-2008-4767 be exploited remotely?

Yes. CVE-2008-4767 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2008-4767?

CVE-2008-4767 has a CVSS score of 9.0 (CRITICAL).

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CRITICALPOC

CVE-2008-4767

CWE-20Published: October 28, 2008· Updated: Jun 16, 2026

9.0

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2008-4767 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2008-4767. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.