CVE-2026-87963
HighCVSS 8.6Exploitation Probability (EPSS)
Low risk26th percentile - higher than 26% of all known CVEs
Summary
The Yo WordPress plugin from version 1.1 to 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. This allows unauthenticated attackers to perform SQL injection and read arbitrary database contents including administrator password hashes.
Risk Assessment
An attacker can gain full access to the database, including administrator password hashes, potentially leading to complete compromise of the WordPress site.
Recommendation
Update the Yo plugin to the latest patched version. If not available, temporarily disable the plugin and monitor logs for suspicious queries.
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Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

