CVE-2020-20391

MEDIUM

GetSimpleCMS 3.4.0a - Cross-Site Scripting via Add Snippet and Save Snippets

Title source: llm

Cross Site Scripting vulnerability in GetSimpleCMS 3.4.0a in admin/snippets.php via (1) Add Snippet and (2) Save snippets.

Core 1

Core References

Exploit, Third Party Advisory x_refsource_misc

CVSS v3 5.4

EPSS 0.0058

EPSS Percentile 43.7%

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)

get-simple/getsimplecms 3.4.0 a1

Published Jun 23, 2021

Tracked Since Feb 18, 2026