What is CVE-2026-16537?

CVE-2026-16537 is a medium-severity vulnerability in Slick Slider, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-08-06.

How severe is CVE-2026-16537?

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

XSS in Slick Slider

CVE-2026-16537

The Slick Slider WordPress plugin before 0.5.3 does not sanitize and escape a shortcode attribute value before outputting it in an HTML attribute, allowing users with the Contributor role and above to perform Stored Cross-Site Scripting at…

Vulnerability class: XSS (Cross-Site Scripting)

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

Unknown Slick Slider — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-16537?: CVE-2026-16537 is a medium-severity vulnerability in Slick Slider, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-08-06.
How severe is CVE-2026-16537?: Medium severity. CVSS v3 base score is 5.4 out of 10.