Is CVE-2009-2852 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2009-2852, but active exploitation has not been confirmed.

Can CVE-2009-2852 be exploited remotely?

Yes. CVE-2009-2852 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2009-2852?

CVE-2009-2852 has a CVSS score of 6.8 (MEDIUM).

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MEDIUMPOC

CVE-2009-2852

CWE-20Published: August 18, 2009· Updated: Jun 16, 2026

6.8

CVSS v3.1

Official Description

WP-Syntax plugin 0.9.1 and earlier for Wordpress, with register_globals enabled, allows remote attackers to execute arbitrary PHP code via the test_filter[wp_head] array parameter to test/index.php, which is used in a call to the call_user_func_array function.

NVD Source

Technical Analysis

CVE-2009-2852 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-2009-2852. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.