CVE-2026-53740 MEDIUM

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

Vendor Yoast

Product Yoast Duplicate Post

Weakness CWE-79 · XSS

Published June 10, 2026

Last update June 11, 2026

View on NVD All CVEs

CVSS base score

5.1/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction —

Confidentiality —

Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

What the vulnerability does

Description

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.

Key dates

Disclosure timeline

June 10, 2026 CVE published

June 11, 2026 Record updated