CVE-2026-3395

moderate-risk
Published 2026-03-01

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.

Do I need to act?

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0.05% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.3/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Max-3000

References (5)

Product https://github.com/maxsite/cms/
Patch https://github.com/maxsite/cms/commit/08937a3c5d672a242d68f53e9fccf8a748820ef3
Permissions Required https://vuldb.com/?ctiid.348281
Third Party Advisory https://vuldb.com/?id.348281
Third Party Advisory https://vuldb.com/?submit.762169
31
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal