High severity · published Oct 28, 2026
CVE-2026-115591
WordPress Contact Form by Supsystic plugin <= 1.10.5 - Sensitive Data Exposure vulnerability
New
7.5
CVSS
–
EPSS
No
On KEV
Description
Insertion of Sensitive Information Into Sent Data vulnerability in Supsystic Contact Form by Supsystic contact-form-by-supsystic allows Retrieve Embedded Sensitive Data.This issue affects Contact Form by Supsystic: from n/a through 1.10.5.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CF
Contact Form by Supsystic · Supsystic
through 1.10.5 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-115591
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-115591
vdb-entry
https://patchstack.com/database/wordpress/plugin/contact-form-by-supsystic/vulnerability/wordpress-contact-form-by-supsystic-plugin-1-10-5-sensitive-data-exposure-vulnerability?_s_id=cve
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