What is CVE-2026-9656?

CVE-2026-9656 is a medium-severity vulnerability in Hubspotdev Hubspot All-in-one Marketing – Forms, Popups, Live Chat, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-07-17.

How severe is CVE-2026-9656?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Information disclosure in Hubspotdev Hubspot All-in-one Marketing – Forms, Popups, Live Chat

CVE-2026-9656

The HubSpot All-In-One Marketing – Forms, Popups, Live Chat plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 11.3.62 via the wp_localize_script() / window.leadinConfig JavaScript ob…

Vulnerability class: Information Disclosure

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Hubspotdev Hubspot All-in-one Marketing – Forms, Popups, Live Chat — versions 0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

Frequently asked questions

What is CVE-2026-9656?: CVE-2026-9656 is a medium-severity vulnerability in Hubspotdev Hubspot All-in-one Marketing – Forms, Popups, Live Chat, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-07-17.
How severe is CVE-2026-9656?: Medium severity. CVSS v3 base score is 4.3 out of 10.