Medium 6.3Published Oct 27, 2025

CVE-2025-12346MaxSite CMS HTTP Header uploads-require-maxsite.php unrestricted upload

Updated under an hour ago (Oct 27, 2026, 7:40 PM ET)

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It affects MaxSite CMS and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for MaxSite CMS

Exploited in the last 30 days

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.

CVSS: 6.3 MEDIUM (v3.1, CNA)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
Weakness (CWE): CWE-434, CWE-284
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Analyzed
Record last updated: Oct 28, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

MaxSite CMS maxsite:cms (from the name)	109	CNA record
max-3000 maxsite_cms max-3000:maxsite_cms	through 109	NVD

References

References

https://vuldb.com/?id.330136	vdb-entry, technical-description, third-party-advisory
https://vuldb.com/?ctiid.330136	signature, permissions-required, vdb-entry
https://vuldb.com/?submit.674551	third-party-advisory, vdb-entry
https://note-hxlab.wetolink.com/share/8QmDZCddHvyR	exploit, third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.