XSS in Nik00726 Responsive Thumbnail Slider

CVE-2026-18344

The Wp Responsive Thumbnail Slider plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'id' parameter in versions up to, and excluding, 1.1.53. This is due to insufficient input sanitization and output escaping in…

Vulnerability class: XSS (Cross-Site Scripting)

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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-18344?
CVE-2026-18344 is a medium-severity vulnerability in Nik00726 Responsive Thumbnail Slider, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-08-01.
How severe is CVE-2026-18344?
Medium severity. CVSS v3 base score is 6.1 out of 10.