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CVE-2024-4630: Starter Templates — Elementor, WordPress & Beaver Builder Templates <= 4.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-14 · updated 2026-06-17
• Weakness: CWE-79

Description

The Starter Templates — Elementor, WordPress & Beaver Builder Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘custom_upload_mimes’ function in versions up to, and including, 4.2.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• Brainstorm Force Starter Templates: through 4.2.1

References

• https://plugins.trac.wordpress.org/browser/astra-sites/tags/4.2.0/inc/importers/wxr-importer/class-astra-wxr-importer.php#L416
• https://plugins.trac.wordpress.org/changeset/3084334/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/25edb9e8-65ea-41d1-a95f-09be110ec1d2?source=cve
• https://plugins.trac.wordpress.org/browser/astra-sites/tags/4.2.0/inc/importers/wxr-importer/class-astra-wxr-importer.php#L416
• https://plugins.trac.wordpress.org/changeset/3084334/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/25edb9e8-65ea-41d1-a95f-09be110ec1d2?source=cve

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