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VulnerabilityPublished

CVE-2026-121875: Post Duplicator (WordPress plugin) · Improper Privilege Management

Affects Post Duplicator (WordPress plugin)Source CVE Database V5

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Not known to be exploited : upgrade to 3.0.18 soon.

Data as of 9 Nov 2026, 06:36 UTC

Severity
High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in 3.0.18

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 9 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 8 Nov 2026.

What to do

Upgrade Post Duplicator (WordPress plugin) to 3.0.18.

Affected software

ProductAffectedFixed in
Post DuplicatorAffected
  • <3.0.18
Fixed in
  • 3.0.18

AI-suggested

Upgrade the Post Duplicator plugin to version 3.0.18 or later, where this vulnerability is fixed. If you cannot patch yet, restrict site administrator privileges on multisite networks to trusted users only.

Description

The Post Duplicator WordPress plugin before version 3.0.18 contains an improper privilege management vulnerability. This flaw allows a site administrator on a multisite network, who is not a Super Admin, to assign arbitrary capabilities to any role via the plugin's permissions settings. This includes network-management capabilities that should be reserved exclusively for Super Admins.

References

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