cvedb.io
CVE-2026-4665
MEDIUM · CVSS 6.4
EPSS exploitation probability: 0%
Published 2026-05-05T04:16:17.687 · Last modified 2026-06-17T10:56:59.667

Summary

The WP Carousel Free plugin for WordPress is vulnerable to Stored Cross-Site Scripting via crafted fancybox `data-caption` attributes in all versions up to, and including, 2.7.10. This is due to the `fancybox-config.js` script reading the carousel container's `id` attribute directly from the DOM to construct a jQuery selector without sanitization. When a Contributor crafts an HTML block with a malformed carousel container ID (containing characters invalid for jQuery selectors), the custom fancybox configuration throws a JavaScript error and fails to initialize. This causes the bundled fancybox library (v3.5.7) to fall back to its default caption handling, which renders the `data-caption` attribute content as raw HTML. Since WordPress allows `data-*` attributes through `wp_kses_post()`, thi

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.