CVE-2026-15290 SQL injection in Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin
Unauthenticated attackers can exploit blind SQL injection to extract sensitive database information from the Ultimate Member WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-15290?
CVE-2026-15290 is a high-severity SQL injection vulnerability in ultimatemember Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin, published on 10 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin plugin for WordPress is vulnerable to blind SQL Injection via the search parameter in all versions up to, and including, 2.10.1 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. This vulnerability was partially patched in version 2.9.2 when initially addressing CVE-2025-0308.
Weakness: CWE-89
Which versions are affected by CVE-2026-15290?
How do I fix CVE-2026-15290?
No fix has been published for CVE-2026-15290 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-15290 being exploited?
There is no known exploitation of CVE-2026-15290 in the wild and no public exploit code.
Sources
Also known as GHSA-vf3c-g465-5cp8.