Medium severity5.3NVD Advisory· Published Oct 16, 2023· Updated Jun 17, 2026
CVE-2023-5561
CVE-2023-5561
Description
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
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*range: >=4.7,<4.7.27
- (no CPE)range: <6.3.2
- (no CPE)range: 6.3.0
- osv-coords2 versions
>= 4.7.0, < 4.7.27+ 1 more
- (no CPE)range: >= 4.7.0, < 4.7.27
- (no CPE)range: >= 4.7.0, < 4.7.27
Patches
Vulnerability mechanics
References
3- wpscan.com/blog/email-leak-oracle-vulnerability-addressed-in-wordpress-6-3-2/nvdExploitThird Party Advisory
- wpscan.com/vulnerability/19380917-4c27-4095-abf1-eba6f913b441nvdThird Party Advisory
- lists.debian.org/debian-lts-announce/2023/11/msg00014.htmlnvd
News mentions
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