What’s Vulnerable › Vulnerabilities

CVE-2024-0893: Schema App Structured Data <= 2.2.0 - Missing Authorization

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-24 · updated 2026-06-17
• Weakness: CWE-862

Description

The Schema App Structured Data plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the MarkupUpdate function in all versions up to, and including, 2.2.0. This makes it possible for authenticated attackers, with subscriber access or higher, to update or delete post metadata.

Affected products

• vberkel Schema App Structured Data: before 2.2.1 — fixed in 2.2.1

How to fix

Upgrade to a fixed version: vberkel Schema App Structured Data 2.2.1. Check the vendor advisory for mitigations.

References

• https://plugins.trac.wordpress.org/browser/schema-app-structured-data-for-schemaorg/trunk/lib/SchemaEditor.php#L327
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3108928%40schema-app-structured-data-for-schemaorg&new=3108928%40schema-app-structured-data-for-schemaorg&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/1089ab17-b780-4840-8dcd-c50258513634?source=cve
• https://plugins.trac.wordpress.org/browser/schema-app-structured-data-for-schemaorg/trunk/lib/SchemaEditor.php#L327
• https://www.wordfence.com/threat-intel/vulnerabilities/id/1089ab17-b780-4840-8dcd-c50258513634?source=cve

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