Medium (5.4) in progress sitefinity. EPSS 0.7% chance of exploitation in the next 30 days.
Progress Sitefinity 9.1 has XSS via the Content Management Template Configuration (aka Templateconfiguration), as demonstrated by the src attribute of an IMG element. This is fixed in 10.1.
Severity
CVSS 3.0
5.4 medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
0.7% chance of exploitation in the next 30 days; higher than 53% of CVEs (scores of 2026-10-31)