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Case File

CVE-2020-21353

MEDIUM · CVSS 5.4 EPSS 0.55% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-08-06 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.4. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2020-21353
Severity
MEDIUM
CVSS
5.4
EPSS
0.55%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)