CVE-2023-5561

Public Exploit

WordPress < 6.3.2 - Unauthenticated Post Author Email Disclosure

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

5.3

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 70.58% Top 5%

Third-Party Advisory wpscan.com Third-Party Advisory wpscan.com

Affected: WordPress WordPress

References

Link	Tags
https://wpscan.com/vulnerability/19380917-4c27-4095-abf1-eba6f913b441	third party advisory vdb entry exploit technical description
https://wpscan.com/blog/email-leak-oracle-vulnerability-addressed-in-wordpress-6-3-2/	third party advisory exploit technical description
https://lists.debian.org/debian-lts-announce/2023/11/msg00014.html

Frequently Asked Questions

What is the severity of CVE-2023-5561?: CVE-2023-5561 has been scored as a medium severity vulnerability.
How to fix CVE-2023-5561?: To fix CVE-2023-5561, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-5561 being actively exploited in the wild?: It is possible that CVE-2023-5561 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~71% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-5561?: CVE-2023-5561 affects WordPress WordPress.

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