CVE-2026-66668 WordPress Community by PeepSo plugin <= 9.0.5.2 - SQL Injection vulnerability

High 8.5 Published Updated

A SQL injection vulnerability in the Community by PeepSo plugin allows subscribers to execute arbitrary SQL commands, potentially compromising database integrity and confidentiality.

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-2026-66668?

CVE-2026-66668 is a high-severity SQL injection vulnerability in Community by PeepSo, published on 19 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Subscriber SQL Injection in Community by PeepSo <= 9.0.5.2 versions.

Weakness: CWE-89

Which versions are affected by CVE-2026-66668?

How do I fix CVE-2026-66668?

No fix has been published for CVE-2026-66668 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-2026-66668 being exploited?

There is no known exploitation of CVE-2026-66668 in the wild and no public exploit code.

Sources

Also known as GHSA-xc3j-r3w9-578m.

Is CVE-2026-66668 in your software?

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