CVE-2026-121874: Post Duplicator (WordPress plugin) · Incorrect Authorization
Affects Post Duplicator (WordPress plugin)Source CVE Database V5
Not known to be exploited : upgrade to 3.0.18 soon.
Data as of 9 Nov 2026, 06:36 UTC
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
Disclosed: evidence found.
CVE published 9 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| Post Duplicator | Affected
| Fixed in
|
AI-suggested
Upgrade the Post Duplicator plugin to version 3.0.18 or later, where this authorization flaw is fixed. No other mitigation is necessary as the fix addresses the root cause.
Description
A vulnerability in the Post Duplicator WordPress plugin before version 3.0.18 allows a site administrator on a multisite network who is not a Super Admin to overwrite arbitrary site options, including role definitions. This flaw enables privilege escalation by granting network-management capabilities improperly.