CVE-2026-3424 kk Star Ratings <= 5.4.10.3 - Unauthenticated Arbitrary Shortcode Execution via 'payload' Parameter

Medium 5.3 Published Updated

Unauthenticated attackers can execute arbitrary shortcodes via the payload parameter in the kk Star Ratings WordPress plugin.

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-2026-3424?

CVE-2026-3424 is a medium-severity code injection vulnerability in properfraction kk Star Ratings – Rate Post & Collect User Feedbacks, published on 22 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The The kk Star Ratings – Rate Post & Collect User Feedbacks plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 5.4.10.3. This is due to the software allowing users to execute an action that does not properly validate the 'payload' value before running do_shortcode. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes.

Weakness: CWE-94

Which versions are affected by CVE-2026-3424?

How do I fix CVE-2026-3424?

No fix has been published for CVE-2026-3424 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-3424 being exploited?

There is no known exploitation of CVE-2026-3424 in the wild and no public exploit code.

Sources

Also known as GHSA-2f2g-3f4j-x4vf.

Is CVE-2026-3424 in your software?

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