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CVE-2026-4076

MEDIUM 6.4 CVSS 3.1
Published
April 22, 2026
Last modified
June 17, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Description

The Slider Bootstrap Carousel plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'category' and 'template' shortcode attributes in all versions up to and including 1.0.7. This is due to insufficient input sanitization and output escaping on user-supplied shortcode attributes. The plugin uses extract() on shortcode_atts() to parse attributes, then directly outputs the $category variable into multiple HTML attributes (id, data-target, href) on lines 38, 47, 109, and 113 without applying esc_attr(). Similarly, the $template attribute flows into a class attribute on line 93 without escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • felipermendes Slider Bootstrap Carousel — Up to and including 1.0.7

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/slider-bootstrap-carousel/tags/1.0.7/includes/sbc-shortcode.php#L109
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/slider-bootstrap-carousel/tags/1.0.7/includes/sbc-shortcode.php#L113
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/slider-bootstrap-carousel/tags/1.0.7/includes/sbc-shortcode.php#L38
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/slider-bootstrap-carousel/tags/1.0.7/includes/sbc-shortcode.php#L47
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/slider-bootstrap-carousel/tags/1.0.7/includes/sbc-shortcode.php#L7
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/slider-bootstrap-carousel/tags/1.0.7/includes/sbc-shortcode.php#L93
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/slider-bootstrap-carousel/trunk/includes/sbc-shortcode.php#L109
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/slider-bootstrap-carousel/trunk/includes/sbc-shortcode.php#L113
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/slider-bootstrap-carousel/trunk/includes/sbc-shortcode.php#L38
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/slider-bootstrap-carousel/trunk/includes/sbc-shortcode.php#L47
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/slider-bootstrap-carousel/trunk/includes/sbc-shortcode.php#L7
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/slider-bootstrap-carousel/trunk/includes/sbc-shortcode.php#L93
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/26fe0b7b-dbf8-467f-b5e2-86a858eeaf89?source=cve
  • nvd.nist.gov Official NVD record