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    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 the resulting notice.

    Published:Jun 10, 2026
    Last Modified:Jun 11, 2026
    EPS:Jun 10, 2026
    EPSS Score:0.00029
    CVSS Score:5.4

    Affected Products

    Vendor
    Duplicate Post Project
    Product
    Duplicate Post
    Vendor
    Wordpress
    Product
    Wordpress

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-19435 (CVSS 2.7) — The Duplicate Post WordPress plugin before 1.5.6 does not check the user's capabilities before returning post …
    CVE-2026-19085 (CVSS 2.7) — The Duplicate Post WordPress plugin before 1.5.6 does not check that a user may read the content of a post bef…
    CVE-2026-19077 (CVSS 6.5) — The Duplicate Post WordPress plugin before 1.5.5 does not perform per-object authorisation checks in its bulk …
    CVE-2026-53739 (CVSS 5.1) — Yoast Duplicate Post through 4.6 contains a cross-site request forgery vulnerability in the duplicate_post_dis…
    CVE-2021-43408 (CVSS 6.5) — The "Duplicate Post" WordPress plugin up to and including version 1.1.9 is vulnerable to SQL Injection. SQL in…
    CVE-2014-10378 (CVSS 6.1) — The duplicate-post plugin before 2.6 for WordPress has XSS.…
    CVE-2014-10379 (CVSS 9.8) — The duplicate-post plugin before 2.6 for WordPress has SQL injection.…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High