CVE-2020-21353

MEDIUM

GetSimple CMS 3.4.0a - Stored Cross-Site Scripting in Edit Snippets Module

Title source: llm
STIX 2.1

Description

A stored cross site scripting (XSS) vulnerability in /admin/snippets.php of GetSimple CMS 3.4.0a allows attackers to execute arbitrary web scripts or HTML via crafted payload in the Edit Snippets module.

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1319

Scores

CVSS v3 5.4
EPSS 0.0055
EPSS Percentile 42.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
get-simple/getsimplecms 3.4.0a
Published Aug 06, 2021
Tracked Since Feb 18, 2026