Description
appRain CMF 4.0.5 contains an authenticated remote code execution vulnerability that allows administrative users to upload malicious PHP files through the filemanager upload endpoint. Attackers can leverage authenticated access to generate a web shell with command execution capabilities by uploading a crafted PHP file to the site's uploads directory.
Affected products
apprain: apprain
References5
- www.exploit-db.com/exploits/52041 ExploitThird Party Advisory
- github.com/apprain/apprain/archive/refs/tags/v4.0.5.zip Product
- www.apprain.org Product
- www.vulncheck.com/advisories/apprain-cmf-authenticated-remote-c… Third Party Advisory
- github.com/apprain/apprain/archive/refs/tags/v4.0.5.zip Product
Metrics
- CVSS 3.1
-
8.8
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 4.0
-
8.6
HIGH
Score source: CNA
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS — exploit probability
- 1% percentile: 64 · as of 11 November 2026
- CWE
- CWE-434
Could this be exploited in your environment?
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