cvefeed.io CVE-2026-115251: Critical PHP Code Execution Vulnerability in Duplicator Plugin
Article Content
- •CVE-2026-115251 allows PHP code execution via the Duplicator plugin's one-click upgrade.
- •Affected versions include Duplicator prior to 5.0.0; upgrade is necessary to mitigate risk.
- •No public proof-of-concept or active exploitation reported as of the disclosure date.
A critical vulnerability (CVE-2026-115251) has been identified in the Duplicator WordPress plugin prior to version 5.0.0. This flaw allows unauthorized multisite child site administrators to execute arbitrary PHP code in the shared plugin directory due to improper access controls and lack of authentication. The vulnerability affects all multisite installations using the Duplicator plugin before the patched version. As of now, there is no evidence of public proof-of-concept or. Users are advised to upgrade to version 5.0.0 or later and enforce strict access controls. The vulnerability was disclosed on October 25, 2026, with a patch available immediately.
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