What’s Vulnerable › Vulnerabilities

CVE-2025-14043: Tainacan <= 1.0.1 - Missing Authorization to Unauthenticated Arbitrary Metadata Section Creation

• Severity: medium (CVSS 5.3 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: 2025-12-21 · updated 2026-10-19
• Weakness: CWE-862

Description

The Tainacan plugin for WordPress is vulnerable to unauthorized metadata section creation due to missing authorization checks in all versions up to, and including, 1.0.1. This is due to the `create_item_permissions_check()` function unconditionally returning true, which bypasses authentication and authorization validation. This makes it possible for unauthenticated attackers to create arbitrary metadata sections for any collection via the public REST API granted they can access the WordPress site.

Affected products

• Tainacan: through 1.0.1

References

• https://plugins.trac.wordpress.org/browser/tainacan/tags/1.0.1/classes/api/endpoints/class-tainacan-rest-metadata-sections-controller.php#L363
• https://plugins.trac.wordpress.org/browser/tainacan/trunk/classes/api/endpoints/class-tainacan-rest-metadata-sections-controller.php#L363
• https://www.wordfence.com/threat-intel/vulnerabilities/id/5596a0f0-6bfe-4c6e-a0d6-117e13117098?source=cve

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