Is CVE-2004-2294 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2004-2294, but active exploitation has not been confirmed.

Can CVE-2004-2294 be exploited remotely?

Yes. CVE-2004-2294 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2004-2294?

CVE-2004-2294 has a CVSS score of 4.3 (MEDIUM).

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MEDIUMPOC

CVE-2004-2294

NVD-CWE-OtherPublished: December 31, 2004· Updated: Jun 16, 2026

4.3

CVSS v3.1

Official Description

Canonicalize-before-filter error in the send_review function in the Reviews module for PHP-Nuke 6.0 to 7.3 allows remote attackers to inject arbitrary web script or HTML via hex-encoded XSS sequences in the text parameter, which is checked for dangerous sequences before it is canonicalized, leading to a cross-site scripting (XSS) vulnerability.

NVD Source

Technical Analysis

CVE-2004-2294 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-2004-2294. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.