CVE-2023-6620

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    CVE-2023-6620

    Published: 15 Jan 2024Last Modified: 28 Oct 2026

    Summary: Post SMTP < 2.8.7 - Admin+ SQL Injection

    Details: The POST SMTP Mailer WordPress plugin before 2.8.7 does not properly sanitise and escape several parameters before using them in SQL statements, leading to a SQL injection exploitable by high privilege users such as admin.

    References: https://wordpress.org/plugins, https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6620.json, https://nvd.nist.gov/vuln/detail/CVE-2023-6620, https://wpscan.com/vulnerability/ab5c42ca-ee7d-4344-bd88-0d727ed3d9c4

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -437956ad80f774c66350ad620f75262cd50ebc34

    Affected versions

    2.5.9-beta.1
    2.5.9.4
    2.5.9.3
    2.5.8
    2.5.7
    2.5.6
    2.5.5
    2.5.4
    2.5.3
    2.5.2
    2.5.1
    2.5.0

    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
    CVE-2023-6620 | CVE-DB