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CVE-2025-12346

MaxSite CMS HTTP Header uploads-require-maxsite.php unrestricted upload

Published: Oct 28, 2025Updated: Apr 29, 2026 Sources: CVE List NVDCWE-284
6.3MEDIUM
NVD MITRE
EPSS Score
0.4%
Top 72.1%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
No Fix Available
Self-Check
Not available

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-284CWE-434

Affected Products

MaxSite
commercialaka maxsite cms
CMSOn-prem
Web & CMS Plugins / cms-core
max-3000
commercialaka maxsite cms
maxsite cmsOn-prem
Web & CMS Plugins / cms-core

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

3 techniques
Command and Control
Initial Access
Persistence
View detailed technique mapping

References

https://vuldb.com/?id.330136
vuldb.com
https://vuldb.com/?ctiid.330136
vuldb.com
https://vuldb.com/?submit.674551
vuldb.com
and 1 more references View all →

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