AJAX Auth – Fast Logins, 2FA, Redirects vulnerabilities
Plugin slug login-with-ajax · 7 known vulnerabilities · latest disclosed 2026-09-01 · WordPress.org page
Every listed vulnerability has a fix. Version 4.6 or later is not affected by any of them. If your site runs an older version, update it.
0 of 7 rated high or critical (CVSS 7 or more).
Known vulnerabilities in AJAX Auth – Fast Logins, 2FA, Redirects
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 6.4 | <= 4.5.1 | 4.6 | CVE-2026-82883 | 2026-09-01 | Advisory |
| Medium 6.4 | <= 4.5.1 | 4.6 | CVE-2026-66640 | 2026-08-18 | Advisory |
| Medium 5.3 | <= 4.1 | 4.2 | CVE-2023-49859 | 2023-12-07 | Advisory |
| Medium 5.4 | <= 3.1.6 | 3.1.7 | none | 2017-04-11 | Advisory |
| Medium 6.3 | < 3.1 | 3.1 | CVE-2013-2707 | 2013-05-06 | Advisory |
| Medium 6.1 | <= 3.0.4 | 3.0.4.1 | CVE-2012-2759 | 2012-05-18 | Advisory |
| Medium 6.1 | < 3.0.4.1 | 3.0.5 | CVE-2012-4283 | 2012-05-07 | Advisory |
Check if a site is affected
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Questions
Is the AJAX Auth – Fast Logins, 2FA, Redirects plugin safe to use?
All 7 known issues are fixed in current versions (4.6 or later). Keeping it updated is what matters.
How do I check which version of AJAX Auth – Fast Logins, 2FA, Redirects my site runs?
In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.
How do I fix a vulnerable plugin?
Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.