Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2023-5561

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
16/10/2023
Last modified:
23/04/2025

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

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): None
Availability (A): None

Base Score 3.x
5.30
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 4.7 (including) 4.7.27 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 4.8 (including) 4.8.23 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 4.9 (including) 4.9.24 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 5.0 (including) 5.0.20 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 5.1 (including) 5.1.17 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 5.2 (including) 5.2.19 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 5.3 (including) 5.3.16 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 5.4 (including) 5.4.14 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 5.5 (including) 5.5.13 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 5.6 (including) 5.6.12 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 5.7 (including) 5.7.10 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 5.8 (including) 5.8.8 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 5.9 (including) 5.9.8 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 6.0 (including) 6.0.6 (excluding)
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 6.1 (including) 6.1.4 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools