JWT Authentication for WP REST APIs vulnerabilities
Plugin slug wp-rest-api-authentication · 3 known vulnerabilities · latest disclosed 2026-09-14 · WordPress.org page
Every listed vulnerability has a fix. Version 4.8.0 or later is not affected by any of them. If your site runs an older version, update it.
1 of 3 rated high or critical (CVSS 7 or more).
Known vulnerabilities in JWT Authentication for WP REST APIs
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 5.3 | <= 4.7.0 | 4.8.0 | CVE-2026-89027 | 2026-09-14 | Advisory |
| Medium 4.3 | <= 3.6.3 | 3.6.4 | CVE-2025-39545 | 2025-04-16 | Advisory |
| High 8.8 | <= 2.4.0 | 2.4.1 | CVE-2022-45073 | 2022-11-09 | Advisory |
Check if a site is affected
Enter a site address to see which version of JWT Authentication for WP REST APIs and other plugins it runs, and whether they match a known vulnerability.
Questions
Is the JWT Authentication for WP REST APIs plugin safe to use?
All 3 known issues are fixed in current versions (4.8.0 or later). Keeping it updated is what matters.
How do I check which version of JWT Authentication for WP REST APIs 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.