CVE-2026-53740

CVE-2026-53740

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 t…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-53740?
CVE-2026-53740 is a medium-severity vulnerability, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-06-10.
How severe is CVE-2026-53740?
Medium severity. CVSS v3 base score is 5.4 out of 10.