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CVE-2023-5561

WordPress < 6.3.2 - Unauthenticated Post Author Email Disclosure

Published: Oct 16, 2023Updated: Apr 23, 2025 Sources: CVE List NVD BDUNVD-CWE-noinfo
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
3.9%
Top 11.2%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available
Am I actually vulnerable?2 Nuclei templates available — see how to check your systems. How to verify

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

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

NVD-CWE-noinfo

Affected Products

WordPressWordPress
On-premWeb App
Web & CMS Plugins / cms-core
wordpresswordpress
On-premWeb App
Web & CMS Plugins / cms-core
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
WordPressWordPress FoundationWeb & CMS Plugins
wordpressoss-projectUSWeb & CMS Pluginsaka wp, wordpress.org, wordpress mu
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
wordpress foundationoss-projectUSWeb & CMS Plugins

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

References

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

Timeline

Published
Oct 16, 2023
Last Updated
Apr 23, 2025

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