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    CVE-2020-14933

    compose.php in SquirrelMail 1.4.22 calls unserialize for the $attachments value, which originates from an HTTP POST request. NOTE: the vendor disputes this because these two conditions for PHP object injection are not satisfied: existence of a PHP magic method (such as __wakeup or __destruct), and any attack-relevant classes must be declared before unserialize is called (or must be autoloaded).

    Published:Jun 20, 2020
    Last Modified:Nov 21, 2024
    EPS:Jun 20, 2020
    EPSS Score:0.00543
    CVSS Score:8.8

    Affected Products

    Vendor
    Squirrelmail
    Product
    Squirrelmail

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-586 Object Injection

    Related CVEs

    CVE-2025-30090 (CVSS 7.2) — mime.php in SquirrelMail through 1.4.23-svn-20250401 and 1.5.x through 1.5.2-svn-20250401 allows XSS via e-mai…
    CVE-2020-14932 (CVSS 9.8) — compose.php in SquirrelMail 1.4.22 calls unserialize for the $mailtodata value, which originates from an HTTP …
    CVE-2019-12970 (CVSS 6.1) — XSS was discovered in SquirrelMail through 1.4.22 and 1.5.x through 1.5.2. Due to improper handling of RCDATA …
    CVE-2018-14951 (CVSS 6.1) — The mail message display page in SquirrelMail through 1.4.22 has XSS via a "<form action='data:text" attack.…
    CVE-2018-14955 (CVSS 6.1) — The mail message display page in SquirrelMail through 1.4.22 has XSS via SVG animations (animate to attribute)…
    CVE-2018-14954 (CVSS 6.1) — The mail message display page in SquirrelMail through 1.4.22 has XSS via the formaction attribute.…
    CVE-2018-14953 (CVSS 6.1) — The mail message display page in SquirrelMail through 1.4.22 has XSS via a "<math xlink:href=" attack.…
    CVE-2018-14952 (CVSS 6.1) — The mail message display page in SquirrelMail through 1.4.22 has XSS via a "<math><maction xlink:href=" attack…
    CVE-2018-14950 (CVSS 6.1) — The mail message display page in SquirrelMail through 1.4.22 has XSS via a "<svg><a xlink:href=" attack.…
    CVE-2018-8741 (CVSS 8.8) — A directory traversal flaw in SquirrelMail 1.4.22 allows an authenticated attacker to exfiltrate (or potential…

    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