CVE WatchAug 22, 2026

CVE-2026-4244

The Post Duplicator plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the `duplic

CVSS

4.3

Medium

EPSS

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KEV

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Exploit Today

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0-100

Published: Aug 22, 2026 · Last modified: Aug 22, 2026 · CWE-862

EPSS · 30d

Not enough EPSS history yet.

Technical description

The Post Duplicator plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the `duplicate_post()` function in all versions up to, and including, 3.0.11. This is due to the function not verifying that the user has `edit_others_posts` capability before accepting a `selectedAuthorId` parameter via the `duplicate-post` REST endpoint. This makes it possible for authenticated attackers, with Contributor-level access and above, to create duplicated posts attributed to any user, including administrators.

Official references

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