CVE-2026-121875
Post Duplicator < 3.0.18 - Admin+ Privilege Escalation via Unvalidated Capability Assignment
The Post Duplicator WordPress plugin before 3.0.18 does not validate the capabilities assigned to roles through its permissions settings, allowing a site administrator on a multisite network who is not a Super Admin to grant any role arbitrary capabilities, including the network-management capabilities reserved to the Super Admin.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Post Duplicator < 3.0.18 - Admin+ Privilege Escalation via Unvalidated Capability Assignment
The Post Duplicator WordPress plugin before 3.0.18 does not validate the capabilities assigned to roles through its permissions settings, allowing a site administrator on a multisite network who is not a Super Admin to grant any role arbitrary capabilities, including the network-management capabilities reserved to the Super Admin.
- Record
CVE-2026-121875- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-09
EUVDEUVD-2026-119827
The Post Duplicator WordPress plugin before 3.0.18 does not validate the capabilities assigned to roles through its permissions settings, allowing a site administrator on a multisite network who is not a Super Admin to grant any role arbitrary capabilities, including the network-management capabilities reserved to the Super Admin.
- Record
EUVD-2026-119827- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-09
GitHub AdvisoriesGHSA-xf49-c2ph-74x9
The Post Duplicator WordPress plugin before 3.0.18 does not validate the capabilities assigned to...
The Post Duplicator WordPress plugin before 3.0.18 does not validate the capabilities assigned to roles through its permissions settings, allowing a site administrator on a multisite network who is not a Super Admin to grant any role arbitrary capabilities, including the network-management capabilities reserved to the Super Admin.
- Record
GHSA-xf49-c2ph-74x9- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-09
NVD
The Post Duplicator WordPress plugin before 3.0.18 does not validate the capabilities assigned to roles through its permissions settings, allowing a site administrator on a multisite network who is not a Super Admin to grant any role arbitrary capabilities, including the network-management capabilities reserved to the Super Admin.
- Record
CVE-2026-121875- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-09
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| cwes, severity | CVE List | |
| severity | EUVD | |
| published | EUVD, NVD | |
| published | EUVD | |
| aliases, references | GitHub Advisories | |
| products, references, title | CVE List | |
| first indexed | EUVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-121875 is a high vulnerability (CVSS 7.2) in Metaphor Creations Post Duplicator, published November 9, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 17th percentile. No source names a fixed version.