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Case File

CVE-2021-3258

MEDIUM · CVSS 5.4 EPSS 1.64% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-02-05 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.4. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

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

Detected Signals
remote code execution code execution
GitHub PoC Links

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

CVE
CVE-2021-3258
Severity
MEDIUM
CVSS
5.4
EPSS
1.64%

Original NVD Description

Question2Answer Q2A Ultimate SEO Version 1.3 is affected by cross-site scripting (XSS), which may lead to arbitrary remote code execution.