The Yo WordPress plugin from 1.1 through 1.3.1 does not sanitize or parameterize the username request parameter before using it in a SQL query, and reads it before WordPress applies its request escaping, allowing unauthenticated attackers to perform SQL injection and read arbitrary database contents including administrator password hashes.

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Fixes

Solution

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Workaround

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History

Thu, 17 Sep 2026 07:15:00 +0000

Type Values Removed Values Added
Description The Yo WordPress plugin from 1.1 through 1.3.1 does not sanitize or parameterize the username request parameter before using it in a SQL query, and reads it before WordPress applies its request escaping, allowing unauthenticated attackers to perform SQL injection and read arbitrary database contents including administrator password hashes.
Title Yo 1.1 - 1.3.1 - Unauthenticated SQL Injection via username Parameter
References
Metrics cvssV3_1

{'score': 8.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-09-17T07:05:48.348Z

Reserved: 2026-09-09T17:43:52.721Z

Link: CVE-2026-87963

cve-icon Vulnrichment

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cve-icon NVD

Status : Received

Published: 2026-09-17T07:16:28.533

Modified: 2026-09-17T07:16:28.533

Link: CVE-2026-87963

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses

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