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

Severity: medium (CVSS 6.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-10-09 · updated 2026-10-08
Weakness: CWE-79

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.

Affected products

MuffinGroup Betheme: through 28.1.6

References

https://themeforest.net/item/betheme-responsive-multipurpose-wordpress-theme/7758048#item-description__version-28-1-7-september-3rd-2025
https://www.wordfence.com/threat-intel/vulnerabilities/id/f9da9d45-39e2-4b07-baed-1f7d7f67602e?source=cve

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