What’s Vulnerable › Vulnerabilities

CVE-2024-5879: HubSpot – CRM, Email Marketing, Live Chat, Forms & Analytics <= 11.1.22 - Authenticated (Contributor+) Stored Cross-Site Scripting via HubSpot Meeting Widget

• Severity: medium (CVSS 5.4 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: 2024-08-30 · updated 2026-06-17
• Weakness: CWE-79

Description

The HubSpot – CRM, Email Marketing, Live Chat, Forms & Analytics plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'url' attribute of the HubSpot Meeting Widget in all versions up to, and including, 11.1.22 due to insufficient input sanitization and output 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 products

• hubspotdev HubSpot All-In-One Marketing – Forms, Popups, Live Chat: before 11.1.34 — fixed in 11.1.34

How to fix

Upgrade to a fixed version: hubspotdev HubSpot All-In-One Marketing – Forms, Popups, Live Chat 11.1.34. Check the vendor advisory for mitigations.

References

• https://plugins.trac.wordpress.org/browser/leadin/tags/11.1.13/public/admin/widgets/class-elementormeeting.php#L108
• https://plugins.trac.wordpress.org/changeset/3123662/leadin/trunk/public/admin/widgets/class-elementormeeting.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/ac004fb0-e178-4e9b-9aa3-b14eab43f22d?source=cve

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