CVE-2026-87963

Yo 1.1 - 1.3.1 - Unauthenticated SQL Injection via username Parameter

Published Sep 17, 2026 CVSS 3.1 · 8.6 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions yo
Vendors & Products Wordpress-extensions
Wordpress-extensions yo
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-20
CWE-89
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Sep 20, 2026, 1:52 PM
Reserved
Sep 9, 2026, 5:43 PM
Status
Deferred
Published
Sep 17, 2026, 7:16 AM
Modified
Sep 20, 2026, 2:16 PM