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    CVE-2026-30878

    baserCMS is a website development framework. Prior to version 5.2.3, a public mail submission API allows unauthenticated users to submit mail form entries even when the corresponding form is not accepting submissions. This bypasses administrative controls intended to stop form intake and enables spam or abuse via the API. This issue has been patched in version 5.2.3.

    Published:Mar 31, 2026
    Last Modified:Apr 3, 2026
    EPS:Mar 31, 2026
    EPSS Score:0.0003
    CVSS Score:5.3

    Affected Products

    Vendor
    Basercms
    Product
    Basercms
    Vendor
    Baserproject
    Product
    Basercms

    Exploits

    https://github.com/baserproject/basercms/security/advisories/GHSA-8cr7-r8qw-gp3chttps://github.com/baserproject/basercms/security/advisories/GHSA-8cr7-r8qw-gp3c

    Common Weakness Enumeration

    CWE-285 Improper Authorization

    Related CVEs

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    CVE-2026-30940 (CVSS 7.2) — baserCMS is a website development framework. Prior to version 5.2.3, a path traversal vulnerability exists in …
    CVE-2026-30877 (CVSS 9.1) — baserCMS is a website development framework. Prior to version 5.2.3, there is an OS command injection vulnerab…
    CVE-2026-30880 (CVSS 9.2) — baserCMS is a website development framework. Prior to version 5.2.3, baserCMS has an OS command injection vuln…
    CVE-2026-27697 (CVSS 6.9) — baserCMS is a website development framework. Prior to version 5.2.3, baserCMS has a SQL injection vulnerabilit…
    CVE-2026-21861 (CVSS 9.1) — baserCMS is a website development framework. Prior to version 5.2.3, baserCMS contains an OS command injection…
    CVE-2025-32957 (CVSS 8.7) — baserCMS is a website development framework. Prior to version 5.2.3, the application's restore function allows…
    CVE-2024-46998 (CVSS 7.1) — baserCMS is a website development framework. Versions prior to 5.1.2 have a cross-site scripting vulnerability…
    CVE-2024-46996 (CVSS 6.3) — baserCMS is a website development framework. Versions prior to 5.1.2 have a cross-site scripting vulnerability…

    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