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Case File

CVE-2021-21043

MEDIUM · CVSS 6.1 EPSS 3.34% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-02-02 · Last synced 2026-08-04

CyberRota Analysis

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

Detected Signals
exploit
GitHub PoC Links

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

CVE
CVE-2021-21043
Severity
MEDIUM
CVSS
6.1
EPSS
3.34%
Java

Original NVD Description

ACS Commons version 4.9.2 (and earlier) suffers from a Reflected Cross-site Scripting (XSS) vulnerability in version-compare and page-compare due to invalid JCR characters that are not handled correctly. An attacker could potentially exploit this vulnerability to inject malicious JavaScript content into vulnerable form fields and execute it within the context of the victim's browser. Exploitation of this issue requires user interaction in order to be successful.

Related CVEs

Other vulnerabilities affecting the same vendor(s)