SEPTEMBER 15, 2026
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Case File

CVE-2026-87928

MEDIUM · CVSS 5.4 EPSS 0.17% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-09 · Last synced 2026-09-15

CyberRota Analysis

AI-Generated

MaxSite CMS versions 0.94 to 109.6 are vulnerable to a cross-site scripting flaw in the admin_page upload handler, allowing any logged-in user to upload HTML files containing malicious scripts. This vulnerability can lead to persistent stored cross-site scripting attacks, impacting users who access the uploaded files in their browsers. Organizations using affected versions should prioritize patching this vulnerability to protect against potential exploitation.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-87928
Severity
MEDIUM
CVSS
5.4
EPSS
0.17%

Original NVD Description

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.