CVE-2025-12346CWE-284CWE-434broken-access-controlunrestricted-file-upload

CVE-2025-12346

Medium · published October 28, 2025

CVSS v3.1
6.3
EPSS
0%
Percentile
32.7
In the wild
Unconfirmed
What it is

A vulnerability was detected in MaxSite CMS up to 109. This vulnerability affects unknown code of the file application/maxsite/admin/plugins/auto_post/uploads-require-maxsite.php of the component HTTP Header Handler. Performing manipulation of the argument X-Requested-FileName/X-Requested-FileUpDir results in unrestricted upload. Remote exploitation of the attack is possible. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

The record
Technical detail
CVSS v3.1
6.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00396 · 32.7th percentile
Weaknesses
CWE-284 · Improper Access Control; CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2025-10-28T07:15Z
Affected products (1)
ProductVersionsFixed in
max-3000/maxsite_cms≤ 109—
References (4)
EPSS history
Timeline
  • 28 OCT 02:02Z
    MaxSite CMS HTTP Header uploads-require-maxsite.php unrestricted upload
    cvelistv5