Is CVE-2005-4449 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2005-4449, but active exploitation has not been confirmed.

Can CVE-2005-4449 be exploited remotely?

Yes. CVE-2005-4449 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2005-4449?

CVE-2005-4449 has a CVSS score of 4.0 (MEDIUM).

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MEDIUMPOC

CVE-2005-4449

NVD-CWE-OtherPublished: December 21, 2005· Updated: Jun 16, 2026

4.0

CVSS v3.1

Official Description

verify.php in FlatNuke 2.5.6 allows remote authenticated administrators to modify arbitrary PHP files by setting the file parameter to an arbitrary file and injecting the code into the body parameter. NOTE: if a FlatNuke administrator is normally assumed to be able to modify arbitrary content, then this issue does not cross privilege boundaries and would not be a vulnerability.

NVD Source

Technical Analysis

CVE-2005-4449 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-2005-4449. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.