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WordPress Security August 12, 2026 7 Views

How to Fix the 500 Internal Server Error in WordPress

nexurasecurity
Nexura Security
Security Researcher
How to Fix the 500 Internal Server Error in WordPress

The 500 Internal Server Error is one of the most common—and most frustrating—errors on the web. It doesn't tell you exactly what went wrong; it just means that the server encountered an unexpected condition and couldn't fulfill your request.

Common Causes of a 500 Error

  • A corrupted .htaccess file.
  • Exhausted PHP memory limits.
  • Malware injections that have tampered with core WordPress files.

How to Fix the 500 Internal Server Error

1. Regenerate Your .htaccess File

A corrupted .htaccess file is the most frequent culprit. Using FTP or your hosting File Manager:

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  1. Locate the .htaccess file in your root directory.
  2. Rename it to .htaccess_old.
  3. Reload your website. If it works, the file was the problem!
  4. Go to your WordPress dashboard, navigate to Settings > Permalinks, and click Save Changes to generate a fresh, clean .htaccess file.

2. Scan for Malware Tampering

If regenerating the file didn't work, hackers might have tampered with your core server files. This is a severe security risk.

Install Nexura Security. Our advanced Core File Scanner will instantly compare your live files against the official WordPress repository. If any file has been modified by malware, Nexura can restore the original file with a single click, fixing the 500 error instantly.

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Nexura Security Team

Nexura Security Research Team

WordPress Security Experts

The Nexura Research Team continuously monitors the WordPress ecosystem for emerging threats, zero-day vulnerabilities, and malware trends. Our mission is to provide actionable intelligence to keep your websites secure, fast, and resilient against modern cyber attacks.

nexurasecurity

Written by Nexura Security

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