CVE-2026-2301
The Post Duplicator plugin for WordPress is vulnerable to unauthorized arbitrary protected post meta insertion in all versions up to, and including, 3.0.8.
Published Feb 25, 2026 · updated Jun 17, 2026
The Post Duplicator plugin for WordPress is vulnerable to unauthorized arbitrary protected post meta insertion in all versions up to, and including, 3.0.8. This is due to the function in using directly to the table instead of WordPress's standard function, which would call to prevent lower-privileged users from setting protected meta keys (those starting with ). This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary protected post meta keys such as , , and other sensitive meta keys on duplicated posts via the JSON array parameter in the REST API endpoint.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Feb 25, 2026 · NIST NVD
Detected
The Post Duplicator plugin for WordPress is vulnerable to unauthorized arbitrary protected post meta insertion in all versions up to, and including, 3.0.8. This is due to the function in using directly to the table instead of WordPress's standard function, which would call to prevent lower-privileged users from setting protected meta keys (those starting with ). This makes it possible for authenti
Jun 17, 2026 · NIST NVD
Updated
The Post Duplicator plugin for WordPress is vulnerable to unauthorized arbitrary protected post meta insertion in all versions up to, and including, 3.0.8. This is due to the function in using directly to the table instead of WordPress's standard function, which would call to prevent lower-privileged users from setting protected meta keys (those starting with ). This makes it possible for authenti
Sources
- CVE.orgVulnerability recordCVE-2026-2301
Official CVE identifier
cve.org - NIST NVDVulnerability recordCVE-2026-2301
The Post Duplicator plugin for WordPress is vulnerable to unauthorized arbitrary protected post meta insertion in all versions up to, and including, 3.0.8. This is due to the function in using directly to the t
nvd.nist.gov