Is CVE-2004-0528 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2004-0528, but active exploitation has not been confirmed.

Can CVE-2004-0528 be exploited remotely?

Yes. CVE-2004-0528 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2004-0528?

CVE-2004-0528 has a CVSS score of 5.0 (MEDIUM).

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MEDIUMPOC

CVE-2004-0528

NVD-CWE-OtherPublished: August 6, 2004· Updated: Jun 16, 2026

5.0

CVSS v3.1

Official Description

Netscape Navigator 7.1 allows remote attackers to spoof a legitimate URL in the status bar via A HREF tags with modified "alt" values that point to the legitimate site, combined with an image map whose href points to the malicious site, which facilitates a "phishing" attack.

NVD Source

Technical Analysis

CVE-2004-0528 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-2004-0528. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.