What is CVE-2018-14691?

CVE-2018-14691 is a medium-severity vulnerability in Subsonic, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-09-21.

How severe is CVE-2018-14691?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Subsonic

CVE-2018-14691

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-09-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.4th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Subsonic — versions 6.1.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.bishopfox.com/news/2018/09/subsonic-6-1-1-multiple-vulnerabilities/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-14691?: CVE-2018-14691 is a medium-severity vulnerability in Subsonic, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-09-21.
How severe is CVE-2018-14691?: Medium severity. CVSS v3 base score is 6.1 out of 10.