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    CVE-2026-44742

    Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, as exploited in the wild in May 2026.

    Published:May 7, 2026
    Last Modified:May 26, 2026
    EPS:May 7, 2026
    EPSS Score:0.00011
    CVSS Score:7.2

    Affected Products

    Vendor
    Postorius Project
    Product
    Postorius

    Exploits

    No exploit reference

    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