CVE-2026-16537

Slick Slider < 0.5.3 - Contributor+ Stored XSS via Gallery Shortcode

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 attacks that execute when a user views the affected post.

Affected

Slick Slider

CVSS v3.1 CNA

5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS

0.23% chance of exploitation in the next 30 days, 12th percentile

Published

2026-08-06

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/8de9a050-45b5-4e51-9cd9-06f85999393a/

References

• CVE Record
• NVD entry