CVE-2026-75908 | The Newsletters plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.17. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with author-level access and above, to send arbitrary newsletter emails to users of any WordPress role, including administrators, by forging POST fields during a normal post submission. This allo
The Newsletters plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.17. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with author-level access and above, to send arbitrary newsletter emails to users of any WordPress role, including administrators, by forging POST fields during a normal post submission. This allows an attacker-supplied role slug via the newsletters_mailinglistsroles POST field to be passed directly to get_users(), enabling unauthorized mass-mailing and potential phishing against privileged site users through the site's own outbound email channel.
- 🔗 www.wordfence.com/threat-intel/vulnerabilities/id/1d3eddce-…
- 🔗 plugins.trac.wordpress.org/browser/newsletters-lite/tags/4.17/wp-mai…
- 🔗 plugins.trac.wordpress.org/browser/newsletters-lite/tags/4.17/wp-mai…
- 🔗 plugins.trac.wordpress.org/browser/newsletters-lite/tags/4.17/wp-mai…
- 🔗 plugins.trac.wordpress.org/browser/newsletters-lite/tags/4.17/includ…
- 🔗 plugins.trac.wordpress.org/changeset
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📊 Historien-Charts — Criticals-Trend · Vendors · EPSS-Verteilung
| Tier | 2026-09-16 | 2026-09-29 |
|---|---|---|
| ≥90 % | 0 | 403 |
| ≥50 % | 0 | 1171 |
| ≥10 % | 0 | 2 |
| <10 % | 300 | 391 |
CVE-2026-75908 | The Newsletters plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.17. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with author-level access and above, to send arbitrary newsletter emails to users of any WordPress role, including administrators, by forging POST fields during a normal post submission. This allo
The Newsletters plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.17. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible f
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