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CVE-2025-12124: FitVids for WordPress <= 4.0.1 - Authenticated (Admin+) Stored Cross-Site Scripting

• Severity: medium (CVSS 4.4 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: 2025-12-05 · updated 2026-09-25
• Weakness: CWE-79

Description

The FitVids for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 4.0.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Affected products

• kevindees FitVids for WordPress: through 4.0.1

References

• https://wordpress.org/plugins/fitvids-for-wordpress/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/063a245d-bd9e-49ac-bdf0-549a25eba9fe?source=cve

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