CVE-2012-5318

Exp

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.

Published: 2012-10-08 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2012-5318 is rated High Exploit Risk (77.1/100): CVSS Medium severity, with high exploitation likelihood (EPSS 10.96%, 93th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.34% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2012-5318

EDB-ID Source Kind Published Link
18412 exploit_db edb 2012-01-23 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2012-5318

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-06-15 8.61% 10.96% +2.34%
2 2025-03-30 23.32% 8.61% -14.71%
3 2025-03-29 23.32%

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-5318

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 6.4 [email protected]

Weakness enumeration for CVE-2012-5318

NVD evaluator notes for CVE-2012-5318

Comment: Per: http://cwe.mitre.org/data/definitions/434.html 'CWE-434: Unrestricted Upload of File with Dangerous Type'

Affected software / configurations for CVE-2012-5318

Vendor Product Version Raw CPE
kishore_asokan kish_guest_posting_plugin 1.2 cpe:2.3:a:kishore_asokan:kish_guest_posting_plugin:1.2:*:*:*:*:*:*:*

References for CVE-2012-5318

cvelogic Threat Intelligence