What is CVE-2026-18197?

CVE-2026-18197 is a medium-severity vulnerability in Ylefebvre Link Library, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-07-29.

How severe is CVE-2026-18197?

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

XSS in Ylefebvre Link Library

CVE-2026-18197

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Link Library allows Cross-Site Scripting (XSS). This issue affects Link Library: before 7.9.4.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (5.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Ylefebvre Link_library

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

vulnreport@tenable.com (Third Party Advisory)
vulnreport@tenable.com (Third Party Advisory)

Frequently asked questions

What is CVE-2026-18197?: CVE-2026-18197 is a medium-severity vulnerability in Ylefebvre Link Library, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-07-29.
How severe is CVE-2026-18197?: Medium severity. CVSS v3 base score is 6.1 out of 10.