TI-2018-04701 Aliases CVE-2018-6383 GHSA-4cjq-7wr8-ccw5

Monstra CMS through 3.0.4 has an incomplete "forbidden types" list that excludes .php…

MEDIUM 53CWE-184Published 2018-01-29 · Updated 2024-08-05

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Monstra CMS through 3.0.4 has an incomplete "forbidden types" list that excludes .php (and similar) file extensions but not the .pht or .phar extension, which allows remote authenticated Admins or Editors to execute arbitrary PHP code by uploading a file, a different vulnerability than CVE-2017-18048.

Why it matters now

EPSS 0.13499 96th percentileScored 2026-11-07

Public exploit Yes 3 exploit referencesTagged by 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

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:monstra:monstra::::::::	up to 3.0.4	Vulnerable	Monstra

cpe:2.3:a:monstra:monstra:*:*:*:*:*:*:*:* Versions up to 3.0.4 Vulnerable ·Monstra

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-6383
2026-10-03 Alias added: GHSA-4cjq-7wr8-ccw5

References

Exploit 3

TI-2017-13256 Monstra CMS 3.0.4 allows users to upload arbitrary files, which leads to remote command… CVSS 3.0HIGH 8.8
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-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