Nextend Social Login and Register vulnerabilities
Plugin slug nextend-facebook-connect · 6 known vulnerabilities · latest disclosed 2025-11-27 · WordPress.org page
Every listed vulnerability has a fix. Version 3.1.22 or later is not affected by any of them. If your site runs an older version, update it.
2 of 6 rated high or critical (CVSS 7 or more).
Known vulnerabilities in Nextend Social Login and Register
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 4.3 | <= 3.1.21 | 3.1.22 | CVE-2025-13737 | 2025-11-27 | Advisory |
| Medium 6.4 | <= 3.1.19 | 3.1.20 | CVE-2025-58031 | 2025-09-22 | Advisory |
| Medium 5.4 | <= 3.1.12 | 3.1.13 | CVE-2024-1775 | 2024-03-01 | Advisory |
| High 8.8 | <= 1.5.8 | 1.5.9 | none | 2016-03-15 | Advisory |
| Medium 6.1 | < 1.5.6 | 1.5.6 | CVE-2015-4413 | 2015-06-24 | Advisory |
| High 7.1 | < 1.5.1 | 1.5.1 | CVE-2014-8800 | 2014-02-12 | Advisory |
Check if a site is affected
Enter a site address to see which version of Nextend Social Login and Register and other plugins it runs, and whether they match a known vulnerability.
Questions
Is the Nextend Social Login and Register plugin safe to use?
All 6 known issues are fixed in current versions (3.1.22 or later). Keeping it updated is what matters.
How do I check which version of Nextend Social Login and Register 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.