WPdeeply

WPDeeply is the site's editorial account for WordPress security advisories, plugin risk research, and remediation guides. Articles under this byline are checked against vendor changelogs, CVE records, vulnerability database entries, and the WPDeeply editorial policy before publication.

wpdeeply.com All posts by this author

69 published guides

Elementor Pro <= 4.2.1 - Unauthenticated Arbitrary File Upload to RCE Elementor Pro versions up to 4.2.1 contain a critical unauthenticated arbitrary file upload vulnerability in the Forms module. Update to 4.2.2 or later and inspect Elementor form upload… Plugin Security 20 Aug 2026, 2 min Forminator Forms <= 1.56.1 - Unauthenticated Arbitrary File Upload Forminator Forms versions up to 1.56.1 contain a critical unauthenticated arbitrary file upload vulnerability. Update to 1.56.2 or later and review public forms that combine Select and File… Plugin Security 18 Aug 2026, 4 min Hello to Performances: Why Speed Is Part of WordPress Security Performance is not separate from security. A slow WordPress site is easier to overwhelm, harder to monitor, and more likely to be running outdated plugins that nobody wants… WordPress Insights 1 Nov 2022, 2 min WordPress $wpdb->prepare(), Denial of Service, and Memory Limits The practical risk is not that every use of $wpdb->prepare() is dangerous. The risk is that database helper code can become a denial-of-service path when untrusted input creates… Security Research 2 Dec 2020, 2 min WP Job Manager Permission Escalation to RCE: Risk Profile and Response Permission escalation is dangerous because it changes who can perform sensitive actions. On a WordPress site, that can quickly become plugin installation, file writes, or code execution. Plugin Security 25 Nov 2020, 2 min WordPress Protected Meta Exposure via WP Job Manager: What Site Owners Should Know Protected meta is only protected if every plugin respects the boundary. Job, listing, and directory plugins often attach sensitive operational data to posts, so permission checks matter. Plugin Security 11 Aug 2020, 2 min WordPress Attachment API Functions and Any Post Type: The Hidden Risk Attachment handling is security-sensitive because files, metadata, authorship, and post relationships meet in one place. Treat upload and attachment helpers as privileged code. Security Research 9 Aug 2020, 2 min WordPress and PHAR Unserialize: Why File Handling Can Become Code Risk PHAR unserialize risk is about file operations becoming object-deserialization triggers. If a plugin lets attackers influence file paths, normal-looking checks can become dangerous. Vulnerability Types 7 Aug 2020, 2 min WordPress and Multiple maybe_unserialize Calls: When Data Parsing Gets Risky Repeated unserialization is a smell. If user-influenced data is parsed again and again, developers should ask whether the application is normalizing data or accidentally expanding attacker control. Vulnerability Types 27 Jul 2020, 2 min WordPress Core and MySQL String Comparison: Security Lessons for Plugin Developers Database comparison rules can change security outcomes. Case sensitivity, collation, truncation, and loose comparisons can make two strings look equal when the application expected a strict check. Security Research 25 Jul 2020, 2 min