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Case File

CVE-2021-42664

MEDIUM · CVSS 5.4 EPSS 1.65% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-11-05 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.4. It affects Java. 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-2021-42664
Severity
MEDIUM
CVSS
5.4
EPSS
1.65%
Java

Original NVD Description

A Stored Cross Site Scripting (XSS) Vulneraibiilty exists in Sourcecodester Engineers Online Portal in PHP via the (1) Quiz title and (2) quiz description parameters to add_quiz.php. An attacker can leverage this vulnerability in order to run javascript commands on the web server surfers behalf, which can lead to cookie stealing and more.

Related CVEs

Other vulnerabilities affecting the same vendor(s)