AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2021-40555

MEDIUM · CVSS 5.4 EPSS 0.44% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-02-16 · 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 ↗

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

CVE
CVE-2021-40555
Severity
MEDIUM
CVSS
5.4
EPSS
0.44%

Original NVD Description

Cross site scripting (XSS) vulnerability in flatCore-CMS 2.2.15 allows attackers to execute arbitrary code via description field on the new page creation form.