---
cve: "CVE-2026-1869"
severity: "MEDIUM"
cvss: 6.5
epss: "25%"
vendor: "WPEverest"
kev: false
exploited: false
published: "2026-06-26 09:16:34"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-06T10:26:34+02:00"
---

# CVE-2026-1869

> 6.5 MEDIUM

## Beschreibung

The User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder plugin for WordPress is vulnerable to unauthorized modification of data due to missing validation checks in the confirm_payment() function in all versions up to, and including, 5.2.0. This makes it possible for unauthenticated attackers to bypass payment processing and activate paid memberships.

## CVSS-Vektor

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

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

## Referenzen

- <https://www.wordfence.com/threat-intel/vulnerabilities/id/9bf5b60b-5a4f-4227-97ac-a952019f46d9?source=cve>
- <https://plugins.trac.wordpress.org/changeset/3552000/user-registration>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-1869) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_