+- Data-Forums (https://data-forums.com/forum)
+-- Forum: 🎁 DF Freebies (https://data-forums.com/forum/Forum-%F0%9F%8E%81-DF-Freebies)
+--- Forum: Free Plugins & Tools (https://data-forums.com/forum/Forum-Free-Plugins-Tools)
+--- Thread: 🎁 FREE 🔐 DF Login Fix v1.0 | 🎁 Free MyBB Plugin (/Thread-%F0%9F%8E%81-Free-%F0%9F%94%90-DF-Login-Fix-v1-0-%F0%9F%8E%81-Free-MyBB-Plugin)
🔐 DF Login Fix v1.0 | 🎁 Free MyBB Plugin - Sir-Vigu - 08-26-2026
Verification record: DFV-AUDIT-20261021
DF Login Fix 2.0.0 — Repair wave 4 — Scoped staging checks passed
Versioned rebuild informed by the deployed source; not the missing original archive. Passed 5 scoped staging checks: install+activate reaches active, guest login page issues HttpOnly dfpk cookie, login POST with empty my_post_key and same-origin Referer succeeds cleanly, cross-origin Referer without cookie is rejected (CSRF safety preserved), deactivate+uninstall reaches inactive cleanly.
📸 Lab staging capture — DF Login Fix 2.0.0
![[Image: df-free-loginfix.webp]](https://data-forums.com/images/vault-repair-wave3/df-free-loginfix.webp)
Complete MyBB Vault verification register
Original release notes
🔐 DF Login Fix v1.0
Kills the "Authorization code mismatch" login error - 🎁 FREE for all members
🔧 What it is
The exact plugin currently running on data-forums.com. It fixes the intermittent MyBB login error "Authorization code mismatch. Are you accessing this function correctly?" that hits users with stale tabs, browser restarts or pruned guest sessions.
✨ Features
- Remembers the last issued login authorization code in a 30-day cookie (dfpk)
- Stale-code login submits proceed normally instead of dying with the mismatch error
- Forged or cross-site codes are still rejected - CSRF protection fully preserved
- Zero tables, zero template edits, no core file edits
- Battle-tested live on this board
inc/plugins/dfloginfix.php + README.txt
⚙️ Requirements
- MyBB 1.8.x
- PHP 7.4+
- Download the zip from the DF Vault (button below).
- Upload inc/plugins/dfloginfix.php to your inc/plugins/ folder.
- Admin CP -> Configuration -> Plugins -> DF Login Fix -> Install & Activate.
- Done - your members can log in even from stale tabs.
None needed - works out of the box.
🎮 How to use
Nothing to do after activation. The fix is automatic and invisible.
🧹 Uninstall
Admin CP -> Plugins -> DF Login Fix -> Deactivate. No tables to clean.
🤝 Support
Questions? Reply in this thread or PM Sir-Vigu.
A Data-Forums free release - free for every member, no Gold, no grind. data-forums.com