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CVE-2026-87963

Yo 1.1 - 1.3.1 - Unauthenticated SQL Injection via username Parameter

CVSS 3.1 8.6 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-87963

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-87963

Published

Yo

https://wordpress.org/plugins

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Unknown",
                    "product": "Yo",
                    "versions": [
                        {
                            "status": "affected",
                            "versionType": "semver",
                            "version": "1.1",
                            "lessThanOrEqual": "1.3.1"
                        }
                    ],
                    "defaultStatus": "unknown",
                    "collectionURL": "https://wordpress.org/plugins"
                }

Original source record · Cite this exact observation · Complete original publisher JSON