Medium (4.8) in perfree perfreeblog. EPSS 0.3% chance of exploitation in the next 30 days.
Stored cross-site scripting vulnerability exists in PerfreeBlog v4.0.11 in the website name field of the backend system settings interface allows an attacker to insert and execute arbitrary malicious code.
Severity
CVSS 3.1
4.8 medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS
0.3% chance of exploitation in the next 30 days; higher than 19% of CVEs (scores of 2026-10-31)