VULNERABILITY INTELLIGENCE

CVE-2021-40555

CVSS score5.4 MEDIUM

EPSS probability0.44%

CISA KEVNot currently listed

Published2023-02-16

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

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.

Weakness classification

nvd@nist.gov: CWE-79
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-79

Primary references

cve@mitre.org — Exploit, Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Patch, Third Party Advisory