CVE-2026-16092 Improved Save Button <= 1.2.1 - Authenticated (Author+) Second-Order SQL Injection via 'meta_key' Parameter
Authenticated attackers with author-level access can exploit second-order SQL injection to extract sensitive database information via the meta_key parameter.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-16092?
CVE-2026-16092 is a medium-severity SQL injection vulnerability in labelblanc Improved Save Button, published on 30 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Improved Save Button plugin for WordPress is vulnerable to second-order SQL Injection via 'meta_key' Custom Field via 'Save and Duplicate' Action in all versions up to, and including, 1.2.1 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with author-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
Weakness: CWE-89
Which versions are affected by CVE-2026-16092?
How do I fix CVE-2026-16092?
No fix has been published for CVE-2026-16092 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-2026-16092 being exploited?
There is no known exploitation of CVE-2026-16092 in the wild and no public exploit code.
Sources
Also known as GHSA-mjmr-35x5-p5hh.