---
cve: "CVE-2023-5561"
severity: "MEDIUM"
cvss: 5.3
epss: "3.9%"
vendor: "WordPress"
kev: false
exploited: false
published: "2023-10-16 20:15:18"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-05T22:07:34+02:00"
---

# CVE-2023-5561

> 5.3 MEDIUM

## Beschreibung

WordPress does not properly restrict which user fields are searchable via the REST API, allowing unauthenticated attackers to discern the email addresses of users who have published public posts on an affected website via an Oracle style attack

## CVSS-Vektor

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

## Patch verfügbar (OSV)

- 03505cd7f9898a337013d638fffb15fb6237ac99 (Commit)
- 001372026131225d4039926bb39141710c30b3a2 (Commit)

## Referenzen

- <https://wpscan.com/vulnerability/19380917-4c27-4095-abf1-eba6f913b441>
- <https://wpscan.com/blog/email-leak-oracle-vulnerability-addressed-in-wordpress-6-3-2/>
- <https://lists.debian.org/debian-lts-announce/2023/11/msg00014.html>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2023-5561) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_