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/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 v3 7.3 HIGH
CVSS v2.0 7.5 HIGH

7.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/maxsite/cms/	Product
https://github.com/maxsite/cms/commit/08937a3c5d672a242d68f53e9fccf8a748820ef3	Patch
https://vuldb.com/?ctiid.348281	Permissions Required VDB Entry
https://vuldb.com/?id.348281	Third Party Advisory VDB Entry
https://vuldb.com/?submit.762169	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:max-3000:maxsite_cms:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-03-01 14:16

Updated : 2026-06-17 10:43

NVD link : CVE-2026-3395

Mitre link : CVE-2026-3395

CVE.ORG link : CVE-2026-3395

JSON object : View

Products Affected

max-3000

maxsite_cms

CWE

CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-94

Improper Control of Generation of Code ('Code Injection')

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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."}, {"lang": "es", "value": "Se ha encontrado una vulnerabilidad en MaxSite CMS hasta la versi\u00f3n 109.1, la cual afecta a la funci\u00f3n eval del archivo application/maxsite/admin/plugins/editor_markitup/preview-ajax.php del componente MarkItUp Preview AJAX Endpoint. Si se manipula se puede provocar una inyecci\u00f3n de c\u00f3digo. Es posible lanzar el ataque de forma remota. El exploit ha sido publicado y puede ser utilizado. La actualizaci\u00f3n a la versi\u00f3n 109.2 solucionar\u00e1 este problema. Este parche se llama 08937a3c5d672a242d68f53e9fccf8a748820ef3. Deber\u00eda actualizar el componente afectado. Se inform\u00f3 previamente al mantenedor del c\u00f3digo sobre los problemas. Reaccion\u00f3 muy r\u00e1pido y de manera muy profesional."}], "lastModified": "2026-06-17T10:43:31.747", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:max-3000:maxsite_cms:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A57592D5-4449-4F41-9DE8-DF5B64175D55", "versionEndExcluding": "109.2"}], "operator": "OR"}]}], "sourceIdentifier": "cna@vuldb.com"}