What is CVE-2026-48559?

CVE-2026-48559 is a medium-severity vulnerability in Epoupon Lms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-06-01.

How severe is CVE-2026-48559?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Epoupon Lms

CVE-2026-48559

Lightweight Music Server (LMS) though 3.76.0 contains a stored cross-site scripting vulnerability that allows attackers to execute arbitrary JavaScript by embedding malicious HTML in media file metadata tags such as GENRE, ARTIST, or ALBUM…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (9.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Epoupon Lms — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

disclosure@vulncheck.com (technical-description, exploit)
disclosure@vulncheck.com
disclosure@vulncheck.com
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-48559?: CVE-2026-48559 is a medium-severity vulnerability in Epoupon Lms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-06-01.
How severe is CVE-2026-48559?: Medium severity. CVSS v3 base score is 5.4 out of 10.