CVE-2026-87963
High
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.
SeverityHigh
CVSS8.6
Exploit probability—
ProductYo
PublishedSep 17, 2026
First seenSep 17, 2026
Weakness typeCWE-89SQL injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Yo | 1.1 ≤ v ≤ 1.3.1 | — |
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