CVE-2026-93428 | The Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.13.1 This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to view privacy-restricted member profile field values — including fields explicitly configure
The Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.13.1 This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to view privacy-restricted member profile field values — including fields explicitly configured as owner-only, members-only, or role-restricted — by querying the publicly accessible wp_ajax_nopriv_um_get_members endpoint. The nonce required by the endpoint ('um-frontend-nonce') is emitted to all unauthenticated visitors via wp_localize_script, meaning it provides no meaningful access control and any anonymous visitor can satisfy the endpoint's authentication requirements.
- 🔗 www.wordfence.com/threat-intel/vulnerabilities/id/cde81421-…
- 🔗 plugins.trac.wordpress.org/browser/ultimate-member/tags/2.13.1/inclu…
- 🔗 plugins.trac.wordpress.org/browser/ultimate-member/tags/2.13.1/inclu…
- 🔗 plugins.trac.wordpress.org/browser/ultimate-member/tags/2.13.1/inclu…
- 🔗 plugins.trac.wordpress.org/browser/ultimate-member/tags/2.13.1/inclu…
- 🔗 plugins.trac.wordpress.org/browser/ultimate-member/tags/2.13.1/inclu…
- 🔗 plugins.trac.wordpress.org/browser/ultimate-member/tags/2.13.1/inclu…
- 🔗 github.com/ultimatemember/ultimatemember/releases/ta…
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📊 Historien-Charts — Criticals-Trend · Vendors · EPSS-Verteilung
| Tier | 2026-09-20 | 2026-10-04 |
|---|---|---|
| ≥90 % | 489 | 361 |
| ≥50 % | 1477 | 1099 |
| ≥10 % | 0 | 2 |
| <10 % | 0 | 505 |
CVE-2026-93428 | The Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.13.1 This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to view privacy-restricted member profile field values — including fields explicitly configure
The Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.13.1 This is due to the pl
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