CVE-2026-54843 WordPress MDTF plugin <= 1.3.7 - SQL Injection vulnerability

Critical 9.3 Published Updated

Unauthenticated attackers can execute arbitrary SQL commands via the MDTF WordPress plugin, potentially accessing or modifying database content.

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-2026-54843?

CVE-2026-54843 is a critical SQL injection vulnerability in PluginUs.Net MDTF, published on 25 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Unauthenticated SQL Injection in MDTF <= 1.3.7 versions.

Weakness: CWE-89

Which versions are affected by CVE-2026-54843?

How do I fix CVE-2026-54843?

No fix has been published for CVE-2026-54843 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-2026-54843 being exploited?

There is no known exploitation of CVE-2026-54843 in the wild and no public exploit code.

Sources

Also known as GHSA-x48r-vwgp-xc93.

Is CVE-2026-54843 in your software?

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