CVE-2023-5561 : WordPress does not properly restrict which user fields are searchable via the RE

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

Published 2023-10-16 20:15:18

Updated 2023-11-20 23:15:07

Source WPScan

View at NVD, CVE.org

Products affected by CVE-2023-5561

Wordpress » Wordpress
Versions from including (>=) 5.0 and before (<) 5.0.20
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Matching versions
Wordpress » Wordpress
Versions from including (>=) 5.4 and before (<) 5.4.14
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Matching versions
Wordpress » Wordpress
Versions from including (>=) 5.7 and before (<) 5.7.10
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Matching versions
Wordpress » Wordpress
Versions from including (>=) 4.7 and before (<) 4.7.27
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Matching versions
Wordpress » Wordpress
Versions from including (>=) 5.2 and before (<) 5.2.19
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Matching versions
Wordpress » Wordpress
Versions from including (>=) 5.8 and before (<) 5.8.8
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Matching versions
Wordpress » Wordpress
Versions from including (>=) 4.8 and before (<) 4.8.23
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Matching versions
Wordpress » Wordpress
Versions from including (>=) 6.2 and before (<) 6.2.3
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Matching versions
Wordpress » Wordpress
Versions from including (>=) 5.6 and before (<) 5.6.12
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Matching versions
Wordpress » Wordpress
Versions from including (>=) 5.5 and before (<) 5.5.13
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Matching versions
Wordpress » Wordpress
Versions from including (>=) 5.1 and before (<) 5.1.17
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Matching versions
Wordpress » Wordpress
Versions from including (>=) 5.3 and before (<) 5.3.16
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Matching versions
Wordpress » Wordpress
Versions from including (>=) 6.1 and before (<) 6.1.4
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Matching versions
Wordpress » Wordpress
Versions from including (>=) 6.3 and before (<) 6.3.2
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Matching versions
Wordpress » Wordpress
Versions from including (>=) 5.9 and before (<) 5.9.8
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Matching versions
Wordpress » Wordpress
Versions from including (>=) 6.0 and before (<) 6.0.6
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Matching versions
Wordpress » Wordpress
Versions from including (>=) 4.9 and before (<) 4.9.24
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2023-5561

EPSS FAQ

4.33%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 92 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-5561

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
5.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	3.9	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: None Availability: None

References for CVE-2023-5561

https://lists.debian.org/debian-lts-announce/2023/11/msg00014.html

[SECURITY] [DLA 3658-1] wordpress security update

CVEs referencing this url
https://wpscan.com/vulnerability/19380917-4c27-4095-abf1-eba6f913b441

Just a moment...
Third Party Advisory
https://wpscan.com/blog/email-leak-oracle-vulnerability-addressed-in-wordpress-6-3-2/

Just a moment...
Exploit;Third Party Advisory

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Vulnerability Details : CVE-2023-5561

Products affected by CVE-2023-5561

Exploit prediction scoring system (EPSS) score for CVE-2023-5561

CVSS scores for CVE-2023-5561

References for CVE-2023-5561