CVE-2026-96666 The Schema App Structured Data plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Content via 'Remove Microdata'
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-96666?
CVE-2026-96666 is a high-severity vulnerability in vberkel Schema App Structured Data, published on 29 Oct 2026.
Official description
The Schema App Structured Data plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Content via 'Remove Microdata' Output Filter in all versions up to, and including, 2.3.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires that an administrator has enabled the plugin's 'Remove Microdata' option and approves the malicious comment.
Weakness: CWE-79
Which versions are affected by CVE-2026-96666?
How do I fix CVE-2026-96666?
No fix has been published for CVE-2026-96666 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-96666 being exploited?
There is no known exploitation of CVE-2026-96666 in the wild and no public exploit code.
Sources
Also known as GHSA-rv4v-2c82-p7gc.