Medium 5.4Published Jun 10, 2026

CVE-2026-53740Yoast Duplicate Post through 4.6 Stored Cross-Site Scripting via Scheduled Republish Notice

Updated under an hour ago (Oct 26, 2026, 9:23 PM ET)

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It affects Yoast Duplicate Post. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Yoast Duplicate Post

Exploited in the last 30 days

Yoast Duplicate Post through 4.6 inserts an unescaped post title and permalink into the Classic Editor scheduled republish notice. Attackers can schedule a republish copy with a crafted title to execute script when an administrator views the resulting notice.

CVSS: 5.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness (CWE): CWE-79
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Jun 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Yoast Yoast Duplicate Post yoast:duplicate_post (from the name)	through 4.6	CNA record

References

References

https://wordpress.org/plugins/duplicate-post/	product
https://www.vulncheck.com/advisories/yoast-duplicate-post-through-stored-cross-site-scripting-via-scheduled-republish-notice	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.