CVE-2026-16977 Form Maker by 10Web < 1.15.45 - Subscriber+ SQL Injection via display_name
Subscribers can perform second-order SQL injection in Form Maker by 10Web, allowing unauthorized database access and modification.
- 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-2026-16977?
CVE-2026-16977 is a high-severity SQL injection vulnerability in Unknown Form Maker by 10Web, published on 12 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Form Maker by 10Web WordPress plugin before 1.15.45 does not properly parameterize a user-controlled value that is substituted into a dynamic SQL query built for a database-backed choice field, allowing subscriber-level users to perform second-order SQL injection.
Weakness: CWE-89
Which versions are affected by CVE-2026-16977?
How do I fix CVE-2026-16977?
No fix has been published for CVE-2026-16977 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-2026-16977 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-16977 exists.
Sources
Also known as GHSA-h2c2-45p9-4958.