CVE-2021-43742

MEDIUM

CMSimple 5.4 - XSS

Title source: llm

CMSimple 5.4 is vulnerable to Cross Site Scripting (XSS) via the file upload feature.

Core 2

Core References

Broken Link x_refsource_misc

Exploit, Third Party Advisory x_refsource_misc

CVSS v3 5.4

EPSS 0.0021

EPSS Percentile 42.5%

Attack Vector NETWORK

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

CWE

CWE-79

Status published

Products (1)

cmsimple/cmsimple 5.4

Published Apr 13, 2022

Tracked Since Feb 18, 2026