VYPR

CMS

by Maxsite

Source repositories

CVEs (19)

  • CVE-2026-87929CriSep 9, 2026
    risk 0.64cvss 9.8epss 0.00

    MaxSite CMS through 109.6 ships with a hardcoded session encryption key in application/config/config.php that is never changed during installation, allowing unauthenticated attackers to forge administrator session cookies. Attackers can mint a malicious ci_session cookie with…

  • CVE-2026-70554CriAug 4, 2026
    risk 0.64cvss 9.8epss 0.01

    MaxSite CMS contains a PHP object injection vulnerability that allows unauthenticated attackers to execute arbitrary code by passing attacker-controlled serialized data in the maxsite_comuser cookie directly to unserialize() without validation or class allowlisting. Attackers…

  • CVE-2026-70553CriAug 4, 2026
    risk 0.64cvss 9.8epss 0.01

    MaxSite CMS contains a remote code execution vulnerability that allows unauthenticated attackers to inject arbitrary PHP code into the application configuration file by submitting crafted POST requests to the install endpoint after installation is complete. Attackers can supply…

  • CVE-2026-70552CriAug 4, 2026
    risk 0.64cvss 9.8epss 0.01

    MaxSite CMS 109.5 and earlier contains an authentication bypass vulnerability in the AJAX dispatcher that allows unauthenticated attackers to access admin-gated endpoints by supplying any X-Requested-With header and requesting a base64-encoded path resolving to any *-ajax.php…

  • CVE-2022-25411CriFeb 28, 2022
    risk 0.64cvss 9.8epss 0.03

    A Remote Code Execution (RCE) vulnerability at /admin/options in Maxsite CMS v180 allows attackers to execute arbitrary code via a crafted PHP file.

  • CVE-2021-27983CriDec 10, 2021
    risk 0.64cvss 9.8epss 0.03

    Remote Code Execution (RCE) vulnerability exists in MaxSite CMS v107.5 via the Documents page.

  • CVE-2026-87930HigSep 9, 2026
    risk 0.53cvss 8.1epss 0.00

    MaxSite CMS through 109.6 passes the ci_session cookie to unserialize() without class restrictions, allowing unauthenticated attackers to inject PHP objects. Attackers can forge valid session cookies using the hardcoded encryption key to trigger magic methods and corrupt…

  • CVE-2026-87927HigSep 9, 2026
    risk 0.53cvss 8.2epss 0.00

    MaxSite CMS through 109.6 contains a local file inclusion vulnerability in the ajax and require-maxsite dispatchers that allows unauthenticated attackers to execute privileged handler files by supplying base64-encoded path traversal sequences. Attackers can bypass path…

  • CVE-2022-25412HigFeb 28, 2022
    risk 0.53cvss 8.1epss 0.01

    Maxsite CMS v180 was discovered to contain multiple arbitrary file deletion vulnerabilities in /admin_page/all-files-update-ajax.php via the dir and deletefile parameters.

  • CVE-2023-36291MedJul 3, 2023
    risk 0.40cvss 6.1epss 0.00

    Cross Site Scripting vulnerability in Maxsite CMS v.108.7 allows a remote attacker to execute arbitrary code via the f_content parameter in the admin/page_new file.

  • CVE-2026-87928MedSep 9, 2026
    risk 0.35cvss 5.4epss 0.00

    MaxSite CMS versions 0.94 through 109.6 contain a cross-site scripting vulnerability in the admin_page upload handler that allows any logged-in user to upload HTML files. Attackers can upload HTML containing malicious scripts to the uploads/_pages/ directory, which executes in…

  • CVE-2022-25413MedFeb 28, 2022
    risk 0.35cvss 5.4epss 0.00

    Maxsite CMS v108 was discovered to contain a stored cross-site scripting (XSS) vulnerability via the parameter f_tags at /admin/page_edit/3.

  • CVE-2022-25410MedFeb 28, 2022
    risk 0.35cvss 5.4epss 0.00

    Maxsite CMS v180 was discovered to contain a stored cross-site scripting (XSS) vulnerability via the parameter f_file_description at /admin/files.

  • CVE-2026-37700MedJun 3, 2026
    risk 0.27cvss 4.1epss 0.00

    Cross Site Scripting vulnerability in MaxSite CMS v.109.2 allows a remote attacker to obtain sensitive information via the Backend page file upload endpoint used by admin_page

  • CVE-2026-7015LowApr 26, 2026
    risk 0.09cvss 2.4epss 0.00

    A vulnerability has been found in MaxSite CMS up to 109.3. This issue affects some unknown processing of the component Guestbook Plugin. Such manipulation of the argument f_text/f_slug/f_limit/f_email leads to cross site scripting. The attack may be launched remotely. The…

  • CVE-2026-7013LowApr 26, 2026
    risk 0.09cvss 2.4epss 0.00

    A security vulnerability has been detected in MaxSite CMS up to 109.3. Affected by this issue is some unknown functionality of the component mail_send Plugin. The manipulation of the argument f_subject/f_files/f_from leads to cross site scripting. The attack can be initiated…

  • CVE-2026-7012LowApr 26, 2026
    risk 0.09cvss 2.4epss 0.00

    A vulnerability was detected in MaxSite CMS up to 109.3. This affects an unknown part of the component Redirect Plugin. The manipulation of the argument f_all/f_all404 results in cross site scripting. The attack can be launched remotely. The exploit is now public and may be…

  • CVE-2026-7011LowApr 26, 2026
    risk 0.09cvss 2.4epss 0.00

    A weakness has been identified in MaxSite CMS up to 109.3. Affected by this vulnerability is an unknown functionality of the file /admin/plugin_antispam of the component Antispam Plugin. Executing a manipulation of the argument f_logging_file can lead to cross site scripting. It…

  • CVE-2021-35265MedAug 3, 2021
    risk 0.00cvss 6.1epss 0.03

    A reflected cross-site scripting (XSS) vulnerability in MaxSite CMS before V106 via product/page/* allows remote attackers to inject arbitrary web script to a page.