WP SEO Structured Data Schema vulnerabilities
Plugin slug wp-seo-structured-data-schema · 2 known vulnerabilities · latest disclosed 2026-05-11 · WordPress.org page
1 vulnerability has no fixed version yet. If you use this plugin, consider disabling or replacing it until a fix is released.
0 of 2 rated high or critical (CVSS 7 or more).
Known vulnerabilities in WP SEO Structured Data Schema
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 4.9 | <= 2.8.1 | No fix yet | CVE-2026-3604 | 2026-05-11 | Advisory |
| Medium 6.4 | <= 2.7.11 | 2.8.0 | CVE-2025-4127 | 2025-05-07 | Advisory |
Check if a site is affected
Enter a site address to see which version of WP SEO Structured Data Schema and other plugins it runs, and whether they match a known vulnerability.
Questions
Is the WP SEO Structured Data Schema plugin safe to use?
1 known issue(s) have no fix yet, so check the table above before using it.
How do I check which version of WP SEO Structured Data Schema my site runs?
In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.
How do I fix a vulnerable plugin?
Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.