CVE-2026-3395
7.3 · HIGHOverview
CVE-2026-3395 is a high-severity vulnerability affecting max-3000 maxsite_cms. It was published on March 1, 2026 and has a CVSS 3.1 base score of 7.3 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from max-3000. Update maxsite_cms to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| max-3000 | maxsite_cms | >= 0, < 109.2 | Affected |
Frequently Asked Questions
What is CVE-2026-3395?
CVE-2026-3395 is a high-severity vulnerability affecting max-3000 maxsite_cms. It was published on March 1, 2026 and has a CVSS 3.1 base score of 7.3 (HIGH).
How severe is CVE-2026-3395?
This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-3395?
Check the references section for vendor advisories and patches from max-3000. Update maxsite_cms to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-3395?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-3395 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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