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CVE-2024-1398: Ultimate Bootstrap Elements for Elementor <= 1.3.6 - Authenticated (Contributor+) Stored Cross-Site Scripting

• Severity: medium (CVSS 6.4 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: none known
• Published: 2024-03-02 · updated 2026-06-17
• Weakness: CWE-79

Description

The Ultimate Bootstrap Elements for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘heading_title_tag’ and ’heading_sub_title_tag’ parameters in all versions up to, and including, 1.3.6 due to insufficient input sanitization and output escaping. 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

• g5theme Ultimate Bootstrap Elements for Elementor: before 1.3.7 — fixed in 1.3.7

How to fix

Upgrade to a fixed version: g5theme Ultimate Bootstrap Elements for Elementor 1.3.7. Check the vendor advisory for mitigations.

References

• https://plugins.trac.wordpress.org/browser/ultimate-bootstrap-elements-for-elementor/tags/1.3.6/templates/elements/heading.php#L50
• https://plugins.trac.wordpress.org/browser/ultimate-bootstrap-elements-for-elementor/tags/1.3.6/templates/elements/heading.php#L61
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3043865%40ultimate-bootstrap-elements-for-elementor&new=3043865%40ultimate-bootstrap-elements-for-elementor&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/ed191380-6037-4d59-8db7-cb33136a304e?source=cve
• https://plugins.trac.wordpress.org/browser/ultimate-bootstrap-elements-for-elementor/tags/1.3.6/templates/elements/heading.php#L50
• https://plugins.trac.wordpress.org/browser/ultimate-bootstrap-elements-for-elementor/tags/1.3.6/templates/elements/heading.php#L61
• https://www.wordfence.com/threat-intel/vulnerabilities/id/ed191380-6037-4d59-8db7-cb33136a304e?source=cve

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