Known vulnerabilities in Yoast Duplicate Post

The go-to tool for cloning posts and pages, including the powerful Rewrite & Republish feature.

4Reported vulnerabilities

9.8Highest CVSS score

4.7Latest version

3,000,000+Active installs

What to do now

Update Yoast Duplicate Post to 4.6 or later. 4 of these have a fixed version available. Updating resolves them.

Plugin last updated: June 22, 2026 / Tested up to WordPress: 7.0.4 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
CVE-2014-10379	Critical 9.8	1.8%	Before 2.6	`2.6`	August 21, 2019
CVE-2014-10378	Medium 6.1	0.9%	Before 2.6	`2.6`	August 21, 2019
CVE-2026-1217	Medium 5.4	0.2%	0 to 4.5 (inclusive)	`4.6`	March 18, 2026
CVE-2019-25314	Medium 4.8	0.2%	0.3 to 3.2.3 (inclusive)	`3.2.4`	February 11, 2026

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.