Yo Plugin up to 1.3.1 on WordPress Username sql injection

Summaryinfo

A vulnerability, which was classified as critical, was found in Yo Plugin up to 1.3.1. This impacts an unknown function. The manipulation of the argument Username results in sql injection. This vulnerability was named CVE-2026-87963. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Yo Plugin up to 1.3.1. It has been classified as critical. Affected is some unknown functionality. The manipulation of the argument username with an unknown input leads to a sql injection vulnerability. CWE is classifying the issue as CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at wpscan.com. This vulnerability is traded as CVE-2026-87963 since 09/09/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 09/17/2026). This vulnerability is assigned to T1505 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• WordPress Plugin

Name

• Yo Plugin

Version

• 1.3.0
• 1.3.1

CPE 2.3info

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• 🔒

CPE 2.2info

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• 🔒

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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