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    CVE-2026-13156

    The MailerSend WordPress plugin before 1.0.8 does not perform a nonce check on its configuration-delete action (it verifies the manage_options capability but ignores the nonce), so an attacker can trick a logged-in administrator into visiting a crafted page that wipes the MailerSend WordPress plugin before 1.0.8's SMTP configuration and deactivates the MailerSend WordPress plugin before 1.0.8, breaking the site's email delivery.

    Published:Jul 20, 2026
    Last Modified:Aug 2, 2026
    EPS:Jul 20, 2026
    EPSS Score:0.0013
    CVSS Score:5.4

    Affected Products

    Vendor
    Mailersend
    Product
    Mailersend
    Vendor
    Wordpress
    Product
    Wordpress

    Exploits

    https://github.com/MinhHK68/CVE-2026-13156

    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