MaxSite CMS 0.94 through 109.6 HTML Upload XSS via admin_page
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.
CVE-2026-87928
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-87928
MaxSite CMS
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://github.com/maxsite/cms",
"vendor": "MaxSite",
"product": "MaxSite CMS",
"versions": [
{
"status": "affected",
"version": "0.94",
"versionType": "custom",
"lessThanOrEqual": "109.6"
}
],
"packageURL": "pkg:github/maxsite/cms",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-87928
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #1607 · Revision 1
- Added to Heist Feed
- Publisher date