High severity · published Jul 1, 2026
CVE-2026-57736
WordPress HubSpot plugin <= 11.3.51 - Sensitive Data Exposure vulnerability
7.4
CVSS
0.3%
EPSS
No
On KEV
Description
Insertion of Sensitive Information Into Sent Data vulnerability in HubSpot allows Retrieve Embedded Sensitive Data.
This issue affects HubSpot: from n/a through 11.3.51.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HU
HubSpot · HubSpot
through 11.3.51 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-57736
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-57736
patchstack.com
https://patchstack.com/database/wordpress/plugin/leadin/vulnerability/wordpress-hubspot-plugin-11-3-51-sensitive-data-exposure-vulnerability?_s_id=cve
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