CVE-2021-41823

6.1 mediumEPSS 0.5%

Medium (6.1) in kemptechnologies web application firewall. EPSS 0.5% chance of exploitation in the next 30 days.

The Web Application Firewall (WAF) in Kemp LoadMaster 7.2.54.1 allows certain uses of onmouseover to bypass an XSS protection mechanism.

Severity

6.1 medium

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 42% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2023-01-01
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19