CVE-2025-12346
MaxSite CMS HTTP Header uploads-require-maxsite.php unrestricted upload
- State
- Published
- Severity
- 5.3 Medium
- Published
- Oct 28, 2025
- Updated
- Oct 28, 2025
- Reserved
- Oct 27, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 6.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 6.3 Medium | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 6.5 Medium | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
CMSMaxSite |
|
References
- VDB-330136 | MaxSite CMS HTTP Header uploads-require-maxsite.php unrestricted uploadvdb-entrytechnical-description
- VDB-330136 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #674551 | MaxSite CMS 109 arbitrary file writingthird-party-advisory
- https://note-hxlab.wetolink.com/share/8QmDZCddHvyRexploit
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.