What’s Vulnerable › Vulnerabilities

CVE-2023-5362: Carousel, Recent Post Slider and Banner Slider <= 2.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-10-30 · updated 2026-06-17
• Weakness: CWE-79

Description

The Carousel, Recent Post Slider and Banner Slider plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'spice_post_slider' shortcode in versions up to, and including, 2.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• spicethemes Carousel, Recent Post Slider and Banner Slider: before 2.1 — fixed in 2.1

How to fix

Upgrade to a fixed version: spicethemes Carousel, Recent Post Slider and Banner Slider 2.1. Check the vendor advisory for mitigations.

References

• https://plugins.trac.wordpress.org/browser/spice-post-slider/tags/1.9/include/view/shortcode.php#L102
• https://plugins.trac.wordpress.org/browser/spice-post-slider/tags/2.0.1/include/view/shortcode.php?rev=2981648#L102
• https://plugins.trac.wordpress.org/changeset/2981654/spice-post-slider
• https://www.wordfence.com/threat-intel/vulnerabilities/id/c0dd70b9-6f8a-41fc-ab4f-f6cdfee8dfb8?source=cve
• https://plugins.trac.wordpress.org/browser/spice-post-slider/tags/1.9/include/view/shortcode.php#L102
• https://plugins.trac.wordpress.org/browser/spice-post-slider/tags/2.0.1/include/view/shortcode.php?rev=2981648#L102
• https://plugins.trac.wordpress.org/changeset/2981654/spice-post-slider
• https://www.wordfence.com/threat-intel/vulnerabilities/id/c0dd70b9-6f8a-41fc-ab4f-f6cdfee8dfb8?source=cve

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