What’s Vulnerable › Vulnerabilities

CVE-2024-5346: Flatsome | Multi-Purpose Responsive WooCommerce Theme <= 3.18.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via Multiple Shortcodes

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-06-22 · updated 2026-06-17
• Weakness: CWE-79

Description

The Flatsome theme for WordPress is vulnerable to Stored Cross-Site Scripting via the UX Countdown, Video Button, UX Video, UX Slider, UX Sidebar, and UX Payment Icons shortcodes in all versions up to, and including, 3.18.7 due to insufficient input sanitization and output escaping on user supplied attributes. 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 products

• UX-themes Flatsome: before 3.19.0 — fixed in 3.19.0

How to fix

Upgrade to a fixed version: UX-themes Flatsome 3.19.0. Check the vendor advisory for mitigations.

References

• https://themeforest.net/item/flatsome-multipurpose-responsive-woocommerce-theme/5484319#item-description__change-log
• https://www.wordfence.com/threat-intel/vulnerabilities/id/11d4c028-94c1-4b78-92f8-0f3303725651?source=cve
• https://themeforest.net/item/flatsome-multipurpose-responsive-woocommerce-theme/5484319#item-description__change-log
• https://www.wordfence.com/threat-intel/vulnerabilities/id/11d4c028-94c1-4b78-92f8-0f3303725651?source=cve

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