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Case File

CVE-2021-27340

MEDIUM · CVSS 6.1 EPSS 1.10% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-09-16 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.1. 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.

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

CVE
CVE-2021-27340
Severity
MEDIUM
CVSS
6.1
EPSS
1.10%

Original NVD Description

OpenSIS Community Edition version <= 7.6 is affected by a reflected XSS vulnerability in EmailCheck.php via the "opt" parameter.

Related CVEs

Other vulnerabilities affecting the same vendor(s)