EUVD-2026-40293
GHSA-gxmr-q5p5-p9w5
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/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
Network-reachable upload with low complexity; description says authenticated so PR:L (not PR:N), attacker uploads own shell so UI:N; RCE gives C/I/A High.
Primary rating from Vendor (CERT-PL).
CVSS VectorVendor: CERT-PL
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/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
Lifecycle Timeline
1DescriptionCVE.org
An Unrestricted File Upload vulnerability in Redeight CMS version 1.0 allows authenticated attackers to achieve Remote Code Execution via the POST "/admin/index.php?module=pages&mode=FileAdd" endpoint. The application fails to validate file extensions and MIME types, permitting the upload of arbitrary PHP scripts to the publicly accessible "/uploads/files/" directory where they can be executed directly by the web server.
AnalysisAI
Remote code execution in Redeight CMS 1.0 lets an authenticated attacker upload arbitrary PHP scripts through the admin Pages module's FileAdd endpoint, which performs no extension or MIME-type validation. The uploaded file lands in the web-accessible /uploads/files/ directory and is executed directly by the web server, yielding full server-side code execution. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires an authenticated session with access to the admin Pages module and its FileAdd file-upload function (POST /admin/index.php?module=pages&mode=FileAdd); the description explicitly states 'authenticated attackers', so a valid CMS account is the gating prerequisite despite the CVSS vector's PR:N. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The vendor-supplied CVSS 4.0 vector (8.6) marks this network-reachable (AV:N), low-complexity (AC:L), with high impact to confidentiality, integrity and availability - consistent with full RCE. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker who has obtained or registered a CMS account with access to the Pages module logs into /admin, uses the FileAdd function to upload a small PHP web shell (e.g. shell.php), and then requests it directly at /uploads/files/shell.php to run arbitrary commands as the web-server user. … |
| Remediation | No vendor-released patch identified at time of analysis, and no fix version is cited in the input, so apply compensating controls until the vendor publishes a fixed release: configure the web server to refuse PHP execution in the upload tree (for Apache, drop a .htaccess in /uploads/ with 'php_admin_flag engine off' or a '<FilesMatch \.ph(p[0-9]?|tml)$> Require all denied </FilesMatch>' block; for nginx, remove the PHP FastCGI handler for that location), which neutralizes the web-shell vector without affecting legitimate static downloads. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: (1) Audit all admin user accounts in Redeight CMS 1.0 and revoke unnecessary administrative access; (2) disable the Pages module FileAdd endpoint if functionally feasible; (3) configure the web server to prevent PHP execution within the /uploads/files/ directory via .htaccess or nginx directives. …
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