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TI-2017-13256 Aliases CVE-2017-18048GHSA-9gjw-qvrh-6f5r

Monstra CMS 3.0.4 allows users to upload arbitrary files, which leads to remote command…

Priority HIGH 73CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-434.

Summary

Monstra CMS 3.0.4 allows users to upload arbitrary files, which leads to remote command execution on the server, for example because .php (lowercase) is blocked but .PHP (uppercase) is not.

Why it matters now

EPSS 0.63355 99th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:monstra:monstra:3.0.4:*:*:*:*:*:*:*3.0.4VulnerableMonstra
  • cpe:2.3:a:monstra:monstra:3.0.4:*:*:*:*:*:*:* Versions 3.0.4 Vulnerable ·Monstra

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-18048
  2. 2026-10-03 Alias added: GHSA-9gjw-qvrh-6f5r

References

Exploit 3

Patch 1

  • TI-2024-24401 A cross-site scripting (XSS) vulnerability in Monstra CMS v3.0.4 allows attackers to… CVSS 3.1MEDIUM 5.4
  • TI-2024-24399 A cross-site scripting (XSS) vulnerability in Monstra CMS v3.0.4 allows attackers to… CVSS 3.1MEDIUM 4.8
  • TI-2018-04701 Monstra CMS through 3.0.4 has an incomplete "forbidden types" list that excludes .php… CVSS 3.1HIGH 8.8
  • TI-2021-14797 A remote code execution (RCE) vulnerability in the component… CVSS 3.1CRITICAL 9.8
  • TI-2020-15550 A local file inclusion vulnerability was discovered in the captcha function in Monstra… CVSS 3.1CRITICAL 9.8
  • TI-2021-17832 Monstra 3.0.4 does not filter the case of php, which leads to an unrestricted file upload vulnerability. CVSS 3.1CRITICAL 9.8
See all 33 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences