CVE-2026-121874

Post Duplicator < 3.0.18 - Admin+ Arbitrary Option Update via Unvalidated Option Name

Published Nov 9, 2026 CVSS 3.1 · 7.2 High EPSS < 1% KEV · Not listed
Description
The Post Duplicator WordPress plugin before 3.0.18 does not restrict settings saves to its own options, allowing a site administrator on a multisite network who is not a Super Admin to overwrite arbitrary options of their site, including the role definitions, and so grant themselves network-management capabilities.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions post Duplicator
Vendors & Products Wordpress-extensions
Wordpress-extensions post Duplicator
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-863
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Weaknesses CWE-284
Type Values Removed Values Added
Description The Post Duplicator WordPress plugin before 3.0.18 does not restrict settings saves to its own options, allowing a site administrator on a multisite network who is not a Super Admin to overwrite arbitrary options of their site, including the role definitions, and so grant themselves network-management capabilities.
Title Post Duplicator < 3.0.18 - Admin+ Arbitrary Option Update via Unvalidated Option Name
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Nov 9, 2026, 2:12 PM
Reserved
Nov 4, 2026, 10:24 AM
Status
Deferred
Published
Nov 9, 2026, 7:17 AM
Modified
Nov 10, 2026, 4:28 PM