Is CVE-2007-4229 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2007-4229, but active exploitation has not been confirmed.

Can CVE-2007-4229 be exploited remotely?

Yes. CVE-2007-4229 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2007-4229?

CVE-2007-4229 has a CVSS score of 4.3 (MEDIUM).

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MEDIUMPOC

CVE-2007-4229

NVD-CWE-OtherPublished: August 8, 2007· Updated: Jun 16, 2026

4.3

CVSS v3.1

Official Description

Unspecified vulnerability in KDE Konqueror 3.5.7 and earlier allows remote attackers to cause a denial of service (failed assertion and application crash) via certain malformed HTML, as demonstrated by a document containing TEXTAREA, BUTTON, BR, BDO, PRE, FRAMESET, and A tags. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

NVD Source

Technical Analysis

CVE-2007-4229 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-2007-4229. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.