VULNERABILITY INTELLIGENCE

CVE-2021-3355

CVSS score5.4 MEDIUM
EPSS probability7.25%
CISA KEVNot currently listed
Published2021-02-24
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

A stored-self XSS exists in LightCMS v1.3.4, allowing an attacker to execute HTML or JavaScript code in a vulnerable Title field to /admin/SensitiveWords.

Weakness classification

  • nvd@nist.gov: CWE-79

Primary references