CVE-2023-5561
WordPress < 6.3.2 - Unauthenticated Post Author Email Disclosure
MEDIUM 5.3EPSS 4.3%
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
- Affected
- WordPress
- CVSS v3.1 NVD
- 5.3 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - EPSS
- 4.33% chance of exploitation in the next 30 days, 91st percentile
- Nuclei
- medium · CWE-200
- Published
- 2023-10-16
- Updated
- 2025-04-23
Proof-of-concept exploits (6)
- https://wpscan.com/blog/email-leak-oracle-vulnerability-addressed-in-wordpress-6-3-2/
- https://wpscan.com/vulnerability/19380917-4c27-4095-abf1-eba6f913b441
- dthkhang/CVE-2023-5561-PoC1★ · 2025-07-01
- pog007/CVE-2023-5561-PoC4★ · 2023-12-13
- rootxsushant/CVE-2023-5561-POC-Updated3★ · 2025-04-01
- hack007x/veil13★ · 2026-03-29