VULNERABILITY INTELLIGENCE

CVE-2020-20691

CVSS score6.5 MEDIUM

EPSS probability0.93%

CISA KEVNot currently listed

Published2021-09-27

Last modified2026-06-17

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

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.

Weakness classification

nvd@nist.gov: CWE-434

Primary references

cve@mitre.org — Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Third Party Advisory