CVE-2020-20691 — MEDIUM (6.5)

Vulnerability Description

An issue in Monstra CMS v3.0.4 allows attackers to execute arbitrary web scripts or HTML via bypassing the file extension filter and uploading crafted HTML files.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Monstra	Monstra Cms	3.0.4

Related Weaknesses (CWE)

CWE-434

References

https://github.com/monstra-cms/monstra/issues/461ExploitIssue TrackingThird Party Advisory
https://github.com/monstra-cms/monstra/issues/461ExploitIssue TrackingThird Party Advisory

FAQ

What is CVE-2020-20691?

CVE-2020-20691 is a vulnerability with a CVSS score of 6.5 (MEDIUM). An issue in Monstra CMS v3.0.4 allows attackers to execute arbitrary web scripts or HTML via bypassing the file extension filter and uploading crafted HTML files.

How severe is CVE-2020-20691?

CVE-2020-20691 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-20691?

Check the references section above for vendor advisories and patch information. Affected products include: Monstra Monstra Cms.