CVE-2025-9371 Betheme <= 28.1.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'page_title'

Medium 6.4 Published Updated

Authenticated attackers can inject arbitrary scripts via the page_title parameter in the Betheme WordPress theme, affecting all users who view the page.

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-2025-9371?

CVE-2025-9371 is a medium-severity cross-site scripting vulnerability in MuffinGroup Betheme, published on 9 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Betheme theme for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘page_title’ parameter in all versions up to, and including, 28.1.6 due to insufficient input sanitization and output escaping of theme breadcrumbs. 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-2025-9371?

How do I fix CVE-2025-9371?

No fix has been published for CVE-2025-9371 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-2025-9371 being exploited?

There is no known exploitation of CVE-2025-9371 in the wild and no public exploit code.

Sources

Also known as GHSA-p5vm-vjvh-m7v5.

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