The Best WordPress Security Practices for 2025
by team
Photo by JungleWP
Introduction
With over 7,966 new security vulnerabilities discovered in the WordPress ecosystem during 2024 a staggering 34% year-over-year increase the security landscape has never been more perilous.
Plugin-related issues accounted for 96% of those vulnerabilities, while themes made up 4%, and WordPress core only seven threats.
Meanwhile, a critical flaw in the "Alone" theme (CVE-2025-4394) threatened ~200 live sites, being actively exploited until patched in mid-June 2025.
Despite this wave of attacks, not a single JungleWP client using our Site Care plan was compromised thanks to our proactive, managed security protocols.
This guide covers foundational and advanced practices for both developers and non-technical users to ensure WordPress security in 2025.
1. Keep Everything Updated - Foundation of Security
- In 2024, JungleWP’s systems blocked millions of high-severity vulnerability requests, along with hundreds of thousands of SQL injection and path traversal attempts.
- Action: Always apply security updates to WordPress core, themes, and plugins. Test in staging environments if you're technical; otherwise, rely on managed services like JungleWP.
2. Minimize Extensions & Avoid Abandoned Plugins/Themes
- 52% of WordPress vulnerabilities stemmed from out-of-date plugins.
- 827 plugins and themes were reported abandoned in 2024, leaving installations exposed.
- Action: Remove unused or outdated extensions. Use only widely trusted plugins and consider JungleWP’s guidance for vulnerability checking.
3. Harden Authentication
- Attackers exploited plugin vulnerabilities using automated tools in early 2025 often targeting patches released in 2024.
- Weak credentials and nulled plugins remain common attack entry points.
- Action: Use unique, strong passwords, and enable 2FA. Assign minimal user privileges via the principle of least privilege.
4. Shield Against Active Exploits
- A Post SMTP plugin flaw (CVE-2025-24000) affected over 160,000 sites, enabling low-privilege users to reset admin passwords patched in June 2025.
- JungleWP’s Site Care services preempt such threats through continuous patch monitoring, a built-in Web Application Firewall (WAF) that runs at the server level, requires no installation, and adds zero performance overhead to your site.
5. WAF, Monitoring & Activity Logging
- JungleWP’s WAF proactively blocks millions of malicious attempts—including SQL injection, XSS, and path traversal—before they ever reach your WordPress installation.
Because it’s host-level, it doesn’t consume your site’s resources and requires no plugin setup. - Action: Deploy a Web Application Firewall (WAF), monitor site activity, and maintain logs for auditing unusual behavior.
6. Automated Backups & Disaster Recovery
- JungleWP’s backup system offers real-time backups and seamless recovery—essential when prevention fails.
- Action: Use robust backup strategies—preferably off-site—and test restoration procedures regularly.
7. Stay Updated on Trends & Emerging Threats
- AI-powered, automated scanning now enables attackers to identify vulnerable installations in hours—not weeks.
- Supply-chain breaches have backdoored at least 36,000 sites via malicious plugin updates in mid-2024.
- Action: Monitor threat intel and adopt defensive tools that track vulnerability databases.
8. Advanced Measures for Developers & Hosts
- Implement Content Security Policy (CSP), anomaly detection, and file integrity monitoring especially vital for high-risk sites.
- JungleWP further enhances server-level security with automatic OS updates, firewall configuration, hashed credentials (Argon2id), and secure email infrastructure.
Summary Table
| Practice | Best For | Key Actions |
|---|---|---|
| Updates & Patching | Everyone | Enable auto-updates or use managed care |
| Cleanup plugins/themes | Everyone | Remove unused/abandoned extensions |
| Strong auth & 2FA | Everyone | Enforce unique passwords and MFA |
| WAF & Monitoring | Everyone | Firewall, logs, threat detection |
| Backups & Recovery | Everyone | Off-site backups, test restores |
| Trend Awareness | Devs & Admins | Follow latest threat reports |
| CSP & Integrity Monitoring | Developers & Hosts | Advanced header and file protections |
| Server-Level Security | Hosts (JungleWP) | Auto-updates, firewall, secure emails |
Conclusion
WordPress security in 2025 hinges on a layered, proactive strategy combining updates, authentication, monitoring, and intelligent hosting. JungleWP clients benefiting from our managed Site Care services remained untouched during widespread attacks proof that expert defense works.
Let JungleWP secure your site and empower your growth, so you can focus on what matters.