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CVE-2026-121874VulnerabilityPublished

The Post Duplicator WordPress plugin before 3.0.18 does not restrict settings saves to its own options, allowing a

Source GCVE Database

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Authoritative record:CVE-2026-121874· High

Not known to be exploited : upgrade to 3.0.18 soon.

Data as of 9 Nov 2026, 10:33 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 has been fixed. No other mitigation is indicated as the issue is resolved in the updated version.

Description

The Post Duplicator WordPress plugin versions before 3.0.18 contain a vulnerability that allows a site administrator on a multisite network, who is not a Super Admin, to overwrite arbitrary site options. This includes the ability to modify role definitions, potentially granting themselves network-management capabilities.

References

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