Description
An XSS vulnerability exists in modules/wysiwyg/save.php of LeptonCMS 4.5.0. This can be exploited because the only security measure used against XSS is the stripping of SCRIPT elements. A malicious actor can use HTML event handlers to run JavaScript instead of using SCRIPT elements.
Exploits (1)
Scores
CVSS v3
6.1
EPSS
0.0071
EPSS Percentile
72.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Details
CWE
CWE-79
Status
published
Products (1)
lepton-cms/lepton_cms
4.5.0
Published
May 07, 2020
Tracked Since
Feb 18, 2026