---
cve: "CVE-2026-75908"
severity: "MEDIUM"
cvss: 4.3
epss: "0.4%"
vendor: "contrid"
kev: false
exploited: false
published: "2026-08-25 11:27:10"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-10-10T08:22:17+02:00"
---

# CVE-2026-75908

> 4.3 MEDIUM

## Beschreibung

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.

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **no**
  - Technical Impact: **partial**

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Keine | good |
| I Integrität | Gering | warn |
| A Verfügbarkeit | Keine | good |

## Referenzen

- <https://www.wordfence.com/threat-intel/vulnerabilities/id/1d3eddce-1b41-4a33-8d57-bd594cf06a06?source=cve>
- <https://plugins.trac.wordpress.org/browser/newsletters-lite/tags/4.17/wp-mailinglist.php#L3957>
- <https://plugins.trac.wordpress.org/browser/newsletters-lite/tags/4.17/wp-mailinglist.php#L4114>
- <https://plugins.trac.wordpress.org/browser/newsletters-lite/tags/4.17/wp-mailinglist.php#L3897>
- <https://plugins.trac.wordpress.org/browser/newsletters-lite/tags/4.17/includes/checkinit.php#L63>
- <https://plugins.trac.wordpress.org/changeset?reponame=&old=3663788%40newsletters-lite&new=3663788%40newsletters-lite>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-75908/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_