MaxSite CMS > V106 - Cross-Site Scripting

A reflected cross-site scripting vulnerability in MaxSite CMS before V106 via product/page/ allows remote attackers to inject arbitrary web script to a page." id: CVE-2021-35265 info: name: MaxSite CMS V106 - Cross-Site Scripting author: pikpikcu severity: medium description: | A reflected...

MaxSite CMS <=109.1 - Remote Code Execution

MaxSite CMS through 109.1 allows unauthenticated remote attackers to execute arbitrary code via the MarkItUp editor preview AJAX endpoint, preview-ajax.php. The endpoint insufficiently authenticates the request, failing to ensure the user is logged in, and processes the attacker's input via unsaf...

CVE-2026-3395-Lab

CVE-2026-3395 — Laboratoire RCE non authentifié MaxSite CMS Ce dépôt est destiné uniquement à des fins éducatives et de recherche. Tous les tests doivent être effectués dans un environnement de laboratoire Docker local. Ne déployez pas cette configuration sur des systèmes publics ou de production...

CVE-2026-3395-MaxSite-CMS-Unauthenticated-RCE

CVE‑2026‑3395 — تنفيذ التعليمات البرمجية عن بُعد غير المصادق عليه في MaxSite CMS...

CVE-2026-70553-PoC

CVE-2026-70553 - RCE non autenticata in MaxSite CMS Proof-of-Concept per CVE-2026-70553: esecuzione remota di codice non autenticata in MaxSite CMS tramite iniezione persistente di codice PHP in database.php attraverso l'endpoint di installazione. Disclaimer Questo PoC è destinato esclusivamente ...

CVE-2026-70554

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

CVE-2026-70553

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 a malicious...

CVE-2026-70552

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 file in the codebase...

CVE-2026-70554 MaxSite CMS Unauthenticated PHP Object Injection via maxsite_comuser Cookie

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

EUVD-2026-52894

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

CVE-2026-70554

CVE-2026-70554 affects MaxSite CMS. It describes an unauthenticated PHP object injection via the maxsite_comuser cookie, where unvalidated serialized data is passed directly to unserialize(), allowing an attacker to reconstruct object graphs and trigger magic methods. This can enable property-ori...

CVE-2026-70553

MaxSite CMS is affected by an unauthenticated remote code execution vulnerability. An attacker can submit crafted POST data to the install endpoint after installation, using a malicious db_dbprefix value to break out of a PHP string in application/config/database.php and inject PHP statements tha...

CVE-2026-70553 MaxSite CMS Unauthenticated RCE via Install Endpoint

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 a malicious...

CVE-2026-70552 MaxSite CMS 109.5 Unauthenticated AJAX Dispatcher Bypass via ajax.php

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 file in the codebase...

EUVD-2026-52909

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 file in the codebase...

CVE-2026-70552

MaxSite CMS

VulnCheck KEV: CVE-2026-3395

A flaw has been found in MaxSite CMS up to 109.1. This impacts the function eval of the file application/maxsite/admin/plugins/editormarkitup/preview-ajax.php of the component MarkItUp Preview AJAX Endpoint. Executing a manipulation can lead to code injection. It is possible to launch the attack...

CVE-2026-37700

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 adminpage...

CVE-2026-37700

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 adminpage...

CVE-2026-37700

MaxSite CMS v.109.2 is affected by a Cross Site Scripting (XSS) vulnerability via the Backend page file upload endpoint used by admin_page. The CVE-2026-37700 description states an attacker can obtain sensitive information through this endpoint. CVSS v3.1 score is 4.1 (Medium); attack vector Netw...