CVE-2026-3395

HIGH
2026-03-01 [email protected]
7.3
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 22:05 vuln.today
Patch Released
Mar 05, 2026 - 01:24 nvd
Patch available
CVE Published
Mar 01, 2026 - 14:16 nvd
HIGH 7.3

Tags

PHP React Code Injection Maxsite Cms

Description

A flaw has been found in MaxSite CMS up to 109.1. This impacts the function eval of the file application/maxsite/admin/plugins/editor_markitup/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 remotely. The exploit has been published and may be used. Upgrading to version 109.2 will fix this issue. This patch is called 08937a3c5d672a242d68f53e9fccf8a748820ef3. You should upgrade the affected component. The code maintainer was informed beforehand about the issues. He reacted very fast and highly professional.

Analysis

Maxsite Cms versions up to 109.1. contains a vulnerability that allows attackers to code injection (CVSS 7.3).

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Remediation

Within 24 hours: Identify all systems running Maxsite CMS and document current versions. Within 7 days: Apply the available vendor patch to all affected instances and verify successful deployment. …

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Priority Score

37
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +36
POC: 0

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CVE-2026-3395 vulnerability details – vuln.today
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