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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Duplicate Post Project
  • Duplicate Post

No data.

No data.

No data.

References
Link Providers
https://wordpress.org/plugins/duplicate-post/ cve-icon cve-icon
https://www.vulncheck.com/advisories/yoast-duplicate-post-through-stored-cross-site-scripting-via-scheduled-republish-notice cve-icon cve-icon
History

Wed, 10 Jun 2026 21:00:00 +0000

Type Values Removed Values Added
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.
Title Yoast Duplicate Post through 4.6 Stored Cross-Site Scripting via Scheduled Republish Notice
First Time appeared Duplicate Post Project
Duplicate Post Project duplicate Post
Weaknesses CWE-79
CPEs cpe:2.3:a:duplicate_post_project:duplicate_post:*:*:*:*:*:wordpress:*:*
Vendors & Products Duplicate Post Project
Duplicate Post Project duplicate Post
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, '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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-06-10T20:39:44.745Z

Reserved: 2026-06-10T17:16:10.427Z

Link: CVE-2026-53740

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-06-10T22:17:02.367

Modified: 2026-06-10T22:17:02.367

Link: CVE-2026-53740

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.