Is yoast/duplicate-post affected by CVE-2026-1217?

Packagist yoast/duplicate-post is affected in <4.6.

Is CVE-2026-1217 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

medium

CVE-2026-1217

Q: Is CVE-2026-1217 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

Packagist · yoast/duplicate-post

Summary

Yoast Duplicate Post has an Authenticated (Contributor+) Missing Authorization to Arbitrary Post Duplication and Overwrite

Severity: medium
EPSS: 0.2% (p7)
Also known as: GHSA-g9w4-m5fx-x3wv
Published: 2026-03-18

References

https://nvd.nist.gov/vuln/detail/CVE-2026-1217
https://github.com/Yoast-dist/duplicate-post
https://plugins.trac.wordpress.org/browser/duplicate-post/tags/4.5/src/handlers/bulk-handler.php#L115

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.