CVE-2026-3395

MaxSite CMS MarkItUp Preview AJAX Endpoint preview-ajax.php eval code injection

CVSS 6.9 MEDIUMEPSS 0.5%CWE-74 CWE-94

Vexday Risk Score

13Bajo

Decisión SSVC (CISA)

Track

Sin señal de explotación → monitorear

CVSS 6.9EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Ciclo de vida

01 mar 2026Publicada en NVD

Recomendación: Monitorear — sin señal de explotación por ahora.

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Productos afectados

MaxSite · CMS

Referencias

https://github.com/maxsite/cms/https://github.com/maxsite/cms/commit/08937a3c5d672a242d68f53e9fccf8a748820ef3 https://vuldb.com/?ctiid.348281 https://vuldb.com/?id.348281 https://vuldb.com/?submit.762169