PT-2026-89108 · Maxsite · Maxsite Cms

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CVE-2026-87928

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Published

2026-09-09

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Updated

2026-09-09

CVSS v3.1

5.4

Medium

VectorAV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
MaxSite CMS versions 0.94 through 109.6 contain a cross-site scripting vulnerability in the admin page upload handler that allows any logged-in user to upload HTML files. Attackers can upload HTML containing malicious scripts to the uploads/ pages/ directory, which executes in visitors' browsers when the file is accessed, enabling persistent stored cross-site scripting attacks.

Exploit

Fix

Unrestricted File Upload

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Weakness Enumeration

Related Identifiers

CVE-2026-87928

Affected Products

Maxsite Cms