Medium (5.3) in getsymphony symphony. EPSS 2.5% chance of exploitation in the next 30 days.
Directory traversal vulnerability in template/usererror.missing_extension.php in Symphony CMS before 2.6.10 allows remote attackers to rename arbitrary files via a .. (dot dot) in the existing-folder and new-folder parameters.
Severity
CVSS 3.0
5.3 medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS
2.5% chance of exploitation in the next 30 days; higher than 84% of CVEs (scores of 2026-10-31)