CVE-2026-39642 WordPress Nyla theme <= 1.7 - Arbitrary Shortcode Execution vulnerability

Medium 5.3 Published Updated

An attacker can execute arbitrary shortcodes in the Nyla WordPress theme, potentially leading to code injection and site compromise.

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-2026-39642?

CVE-2026-39642 is a medium-severity code injection vulnerability in SpabRice Nyla, published on 26 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in SpabRice Nyla allows Code Injection.

This issue affects Nyla: from n/a through 1.7.

Weakness: CWE-80

Which versions are affected by CVE-2026-39642?

How do I fix CVE-2026-39642?

No fix has been published for CVE-2026-39642 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-2026-39642 being exploited?

There is no known exploitation of CVE-2026-39642 in the wild and no public exploit code.

Sources

Also known as GHSA-xmff-c6m5-xm5c.

Is CVE-2026-39642 in your software?

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