CVE-2025-8902 Widget Options - Extended <= 5.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting

Medium 6.4 Published Updated

Authenticated attackers with contributor access can inject arbitrary scripts via the do_sidebar shortcode, leading to stored XSS execution on victim pages.

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-2025-8902?

CVE-2025-8902 is a medium-severity cross-site scripting vulnerability in Marketing Fire, LLC Widget Options - Extended, published on 23 Sep 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Widget Options - Extended plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'do_sidebar' shortcode in all versions up to, and including, 5.2.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Weakness: CWE-79

Which versions are affected by CVE-2025-8902?

How do I fix CVE-2025-8902?

No fix has been published for CVE-2025-8902 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-2025-8902 being exploited?

There is no known exploitation of CVE-2025-8902 in the wild and no public exploit code.

Sources

Also known as GHSA-hph9-cmv7-g959.

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