AUGUST 4, 2026
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Case File

CVE-2021-42656

MEDIUM · CVSS 5.4 EPSS 0.68% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-05-24 · 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 ↗ github.com ↗ github.com ↗

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

CVE
CVE-2021-42656
Severity
MEDIUM
CVSS
5.4
EPSS
0.68%

Original NVD Description

SiteServer CMS V6.15.51 is affected by a Cross Site Scripting (XSS) vulnerability.