CVE-2026-53740

MEDIUM

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

Title source: cna
STIX 2.1

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.

References (2)

Core 2
Core References
Product product
WordPress Plugin Repository
https://wordpress.org/plugins/duplicate-post/
Third Party Advisory third-party-advisory
VulnCheck Advisory: Yoast Duplicate Post through 4.6 Stored Cross-Site Scripting via Scheduled Republish Notice
https://www.vulncheck.com/advisories/yoast-duplicate-post-through-stored-cross-site-scripting-via-scheduled-republish-notice

Scores

CVSS v3 5.4
EPSS 0.0014
EPSS Percentile 3.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
Yoast/Yoast Duplicate Post < 4.6
Published Jun 10, 2026
Tracked Since Jun 11, 2026