CVE-2025-12346

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

CVSS 5.3 MEDIUMEPSS 0.4%CWE-284 CWE-434

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.3EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

28 Oct 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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: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

Affected products

MaxSite · CMS

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References

https://note-hxlab.wetolink.com/share/8QmDZCddHvyR https://vuldb.com/?ctiid.330136 https://vuldb.com/?id.330136 https://vuldb.com/?submit.674551