AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2020-21656

MEDIUM · CVSS 5.4 EPSS 0.45% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-10-06 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

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

GitHub PoC Links
github.com ↗

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

CVE
CVE-2020-21656
Severity
MEDIUM
CVSS
5.4
EPSS
0.45%

Original NVD Description

XYHCMS v3.6 contains a stored cross-site scripting (XSS) vulnerability in the component xyhai.php?s=/Link/index.