Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Monstra | Monstra | <= 3.0.4 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/162968/Monstra-CMS-3.0.4-Remote-Code-ExecutExploitThird Party AdvisoryVDB Entry
- https://github.com/Hacker5preme/Exploits/tree/main/CVE-2018-6383-ExploitExploitThird Party Advisory
- https://github.com/monstra-cms/monstra/issues/429ExploitIssue TrackingThird Party Advisory
- http://packetstormsecurity.com/files/162968/Monstra-CMS-3.0.4-Remote-Code-ExecutExploitThird Party AdvisoryVDB Entry
- https://github.com/Hacker5preme/Exploits/tree/main/CVE-2018-6383-ExploitExploitThird Party Advisory
- https://github.com/monstra-cms/monstra/issues/429ExploitIssue TrackingThird Party Advisory
FAQ
What is CVE-2018-6383?
CVE-2018-6383 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 Edi...
How severe is CVE-2018-6383?
CVE-2018-6383 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-6383?
Check the references section above for vendor advisories and patch information. Affected products include: Monstra Monstra.