Easy Post Submission – Frontend Posting, Guest Publishing & Submit Content for WordPress Security & Risk Analysis

The "easy-post-submission" plugin version 2.3.0 exhibits a mixed security posture. On the positive side, it demonstrates strong adherence to secure coding practices, with a very high percentage of properly escaped outputs and the use of prepared statements for SQL queries. The absence of dangerous functions, file operations, and critical/high severity taint flows are also encouraging signs. However, a significant concern arises from its attack surface. With 16 AJAX handlers, 4 of which lack authentication checks, there's a clear pathway for unauthorized actions. This is further exacerbated by a history of known vulnerabilities, specifically two medium severity CVEs, with one remaining unpatched. The common vulnerability types mentioned (Missing Authorization, Exposure of Sensitive Information) directly correlate with the identified unprotected AJAX handlers, indicating a recurring pattern of authorization flaws. The presence of an unpatched vulnerability from 2026 is particularly alarming, suggesting a lack of timely security updates.

While the plugin scores well in areas like output escaping and SQL query preparation, the unprotected entry points and the persistent nature of authorization-related vulnerabilities present substantial risks. The unpatched CVE is a critical issue that demands immediate attention. The overall security of "easy-post-submission" v2.3.0 is therefore compromised by these significant, recurring, and unaddressed weaknesses, despite its otherwise good coding hygiene.