An issue was discovered in Subsonic 6.1.1. The music tags feature is affected by three stored cross-site scripting vulnerabilities in the c0-param2, c0-param3, and c0-param4 parameters to dwr/call/plaincall/tagService.setTags.dwr that could be used to steal session information of a victim.
Severity
CVSS 3.0
6.1 medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
0.7% chance of exploitation in the next 30 days; higher than 52% of CVEs (scores of 2026-10-31)