Is CVE-2012-5318 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2012-5318, but active exploitation has not been confirmed.

Can CVE-2012-5318 be exploited remotely?

Yes. CVE-2012-5318 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2012-5318?

CVE-2012-5318 has a CVSS score of 6.8 (MEDIUM).

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MEDIUMPOC

CVE-2012-5318

NVD-CWE-OtherPublished: October 8, 2012· Updated: Jun 16, 2026

6.8

CVSS v3.1

Official Description

Unrestricted file upload vulnerability in uploadify/scripts/uploadify.php in the Kish Guest Posting plugin 1.2 for WordPress allows remote attackers to execute arbitrary code by uploading a file with a double extension, then accessing it via a direct request to the file in the directory specified by the folder parameter. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-1125.

NVD Source

Technical Analysis

CVE-2012-5318 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-2012-5318. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.