CVE-2026-57431 WordPress Featured Image plugin <= 2.1 - Cross Site Scripting (XSS) vulnerability

Medium 6.5 Published Updated

An attacker can inject malicious scripts via the Featured Image plugin, potentially compromising user sessions or site integrity.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-57431?

CVE-2026-57431 is a medium-severity cross-site scripting vulnerability in Mervin Praison Featured Image, published on 26 Jun 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Author Cross Site Scripting (XSS) in Featured Image <= 2.1 versions.

Weakness: CWE-79

Which versions are affected by CVE-2026-57431?

How do I fix CVE-2026-57431?

No fix has been published for CVE-2026-57431 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-57431 being exploited?

There is no known exploitation of CVE-2026-57431 in the wild and no public exploit code.

Sources

Also known as GHSA-gj3v-p5q9-mjxv.

Is CVE-2026-57431 in your software?

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