Vulnerability · Published Aug 6, 2026 · Assigned by WPScan
CVE-2026-16537Slick Slider < 0.5.3 - Contributor+ Stored XSS via Gallery Shortcode
Medium 5.4
In plain English
A medium-severity cross-site scripting in Slick Slider from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.2%top 86.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Slick Slider | 0 – before 0.5.3 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
References
- https://wpscan.com/vulnerability/8de9a050-45b5-4e51-9cd9-06f85999393a/ exploit, vdb-entry, technical-description