Vulnerability in Post Duplicator

CVE-2026-10749

The Post Duplicator WordPress plugin before 3.0.15 does not safely handle custom meta-data during post duplication, storing attacker-supplied serialized values without the WordPress meta API's double-serialization protection, allowing users with Contributor-level access and above to inject a PHP Object.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (43.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-10749: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

  • Post Duplicator — versions 0

References

Frequently asked questions

What is CVE-2026-10749?
CVE-2026-10749 is a high-severity vulnerability in Post Duplicator, classified under CWE-502 DESERIALIZATION OF UNTRUSTED DATA. CVSS score: 7.2/10. Published 2026-06-24.
How severe is CVE-2026-10749?
High severity. CVSS v3 base score is 7.2 out of 10.