PT-2026-48554 · Yoast · Yoast Duplicate Post

Published 2026-06-10 · Updated 2026-06-10 · CVE-2026-53740

NVD

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

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.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-53740

Affected Products

Yoast Duplicate Post

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-53740 · Security Note
• https://wordpress.org/plugins/duplicate-post · Note
• https://vulncheck.com/advisories/yoast-duplicate-post-through-stored-cross-site-scripting-via-scheduled-republish-notice · Note