Medium (6.1) in kunalnagar custom 404 pro. EPSS 1.7% chance of exploitation in the next 30 days.
The Custom 404 Pro WordPress plugin before 3.7.3 does not escape some URLs before outputting them in attributes, leading to Reflected Cross-Site Scripting.
Severity
CVSS 3.1
6.1 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
1.7% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-31)