CVE-2025-4127 WP SEO Structured Data Schema <= 2.7.11 - Authenticated (Contributor+) Stored Cross-Site Scripting via Plugin Settings
Authenticated contributors can inject scripts via plugin settings, leading to code execution when administrators 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-2025-4127?
CVE-2025-4127 is a medium-severity cross-site scripting vulnerability in kcseopro WP SEO Structured Data Schema, published on 8 May 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The WP SEO Structured Data Schema plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘Price Range’ parameter in all versions up to, and including, 2.7.11 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts that will execute whenever an administrator accesses the plugin settings page.
Weakness: CWE-79
Which versions are affected by CVE-2025-4127?
It affects 1 product.
Products include Wpsemplugins Wp Seo Structured Data Schema.
How do I fix CVE-2025-4127?
No fix has been published for CVE-2025-4127 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-2025-4127 being exploited?
There is no known exploitation of CVE-2025-4127 in the wild and no public exploit code.
Sources
Also known as GHSA-j7r8-r87g-9m3j.