Medium (5.8). EPSS 0.7% chance of exploitation in the next 30 days.
Improper restriction of XML external entity references vulnerability exists in FitNesse all releases, which allows a remote unauthenticated attacker to obtain sensitive information, alter data, or cause a denial-of-service (DoS) condition.
Severity
CVSS 3.1
5.8 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
EPSS
0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)