CVE-2026-54836 WordPress Filter & Grids plugin <= 3.11.5 - SQL Injection vulnerability

Critical 9.3 Published Updated

An attacker can exploit SQL injection in the YMC Filter plugin to read or modify database contents.

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-2026-54836?

CVE-2026-54836 is a critical SQL injection vulnerability in YMC Filter, published on 25 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in YMC Filter allows SQL Injection.

This issue affects YMC Filter: from n/a through 3.11.5.

Weakness: CWE-89

Which versions are affected by CVE-2026-54836?

How do I fix CVE-2026-54836?

No fix has been published for CVE-2026-54836 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-2026-54836 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-54836 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-9mfm-rqgg-86f7.

Is CVE-2026-54836 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free