CVE-2024-0893: CWE-862 Missing Authorization in vberkel Schema App Structured Data
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.
AI Analysis
Technical Summary
CVE-2024-0893 describes a missing authorization vulnerability in the Schema App Structured Data WordPress plugin (vberkel). The MarkupUpdate function lacks proper capability checks, enabling authenticated users with subscriber or higher privileges to update or delete post metadata. This vulnerability affects all versions up to 2.2.0. The CVSS 3.1 base score is 4.3 (medium), reflecting a network attack vector with low complexity and requiring low privileges but no user interaction. The impact is limited to integrity loss of post metadata without confidentiality or availability impact. No patch or vendor advisory has been provided to confirm remediation status.
Potential Impact
An attacker with subscriber-level or higher authenticated access can modify or delete post metadata via the vulnerable function. This compromises data integrity within the WordPress site but does not affect confidentiality or availability. There are no reports of exploitation in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict subscriber-level access where possible and monitor for unauthorized changes to post metadata. Avoid granting unnecessary privileges to users. Follow updates from the plugin vendor for an official fix.
CVE-2024-0893: CWE-862 Missing Authorization in vberkel Schema App Structured Data
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.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2024-0893 describes a missing authorization vulnerability in the Schema App Structured Data WordPress plugin (vberkel). The MarkupUpdate function lacks proper capability checks, enabling authenticated users with subscriber or higher privileges to update or delete post metadata. This vulnerability affects all versions up to 2.2.0. The CVSS 3.1 base score is 4.3 (medium), reflecting a network attack vector with low complexity and requiring low privileges but no user interaction. The impact is limited to integrity loss of post metadata without confidentiality or availability impact. No patch or vendor advisory has been provided to confirm remediation status.
Potential Impact
An attacker with subscriber-level or higher authenticated access can modify or delete post metadata via the vulnerable function. This compromises data integrity within the WordPress site but does not affect confidentiality or availability. There are no reports of exploitation in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict subscriber-level access where possible and monitor for unauthorized changes to post metadata. Avoid granting unnecessary privileges to users. Follow updates from the plugin vendor for an official fix.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- Wordfence
- Date Reserved
- 2024-01-25T14:27:07.981Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 699f6de7b7ef31ef0b590739
Added to database: 2/25/2026, 9:47:19 PM
Last enriched: 4/9/2026, 6:57:08 PM
Last updated: 4/11/2026, 4:54:01 PM
Views: 12
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