Is CVE-2006-6634 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2006-6634, but active exploitation has not been confirmed.

Can CVE-2006-6634 be exploited remotely?

Yes. CVE-2006-6634 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2006-6634?

CVE-2006-6634 has a CVSS score of 7.5 (HIGH).

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HIGHPOC

CVE-2006-6634

NVD-CWE-OtherPublished: December 18, 2006· Updated: Jun 16, 2026

7.5

CVSS v3.1

Official Description

Multiple PHP remote file inclusion vulnerabilities in the ExtCalThai (com_extcalendar) 0.9.1 and earlier component for Mambo allow remote attackers to execute arbitrary PHP code via a URL in (1) the CONFIG_EXT[LANGUAGES_DIR] parameter to admin_events.php, (2) the mosConfig_absolute_path parameter to extcalendar.php, or (3) the CONFIG_EXT[LIB_DIR] parameter to lib/mail.inc.php.

NVD Source

Technical Analysis

CVE-2006-6634 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-2006-6634. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.