Quick Diagnosis
A redirect loop is usually a disagreement about the canonical admin URL or session cookie.
Problem
WordPress Admin Redirect Loop
Diagnose wp-admin redirect loops after SSL, domain, cache, cookie, or security changes by checking canonical URLs and login/session behavior.
Problem
WordPress, the browser, or an edge layer repeatedly redirects instead of completing the admin request.
For: Administrators who cannot stay logged in or reach wp-admin after a configuration change.
Workflow
What to review
Safe First Move
Check redirect chains and cache exclusions before changing database URLs manually.
WordPress AdminSeverity: HighLast reviewed: 2026-09-16
Diagnosis
Symptoms, causes, checks, and fixes
Symptoms
- wp-admin or wp-login.php keeps redirecting.
- Login appears successful but returns to login.
- The issue often follows SSL, domain, cache, or security changes.
Most Common Causes
- Mismatched site URLs.
- HTTP/HTTPS redirect conflict.
- Cookie domain/path issue.
- Cache rules applied to admin.
- Security plugin login rule.
How To Confirm The Cause
- Check browser redirect chain.
- Compare home/siteurl settings.
- Disable page cache for wp-admin and login URLs.
- Inspect SSL/CDN redirect settings.
Fixes
- Correct WordPress address and site address.
- Use one SSL redirect owner.
- Exclude admin/login from cache.
- Temporarily disable login-hardening rules if they caused the loop.
How To Verify The Fix
- Login in a clean browser session.
- Open wp-admin and edit a draft post.
- Confirm redirect chain ends normally.
When To Contact Support
Escalate to hosting/CDN support when edge redirects continue after WordPress URLs are correct.
References