Sensitive Data Exposure in Supsystic Contact Form by Supsystic
CVE-2026-115591

7.5HIGH

Key Information:

Vendor

WordPress

Vendor
CVE Published:
28 October 2026

What is CVE-2026-115591?

The Supsystic Contact Form plugin is impacted by a vulnerability that permits the retrieval of sensitive information embedded within sent data. This issue presents a significant risk, allowing attackers to access potentially confidential user data through unsecure transmission. The vulnerability is relevant for all versions from n/a through 1.10.5, requiring immediate attention for those utilizing this plugin to safeguard user information.

Affected Version(s)

Contact Form by Supsystic 0 <= 1.10.5

References

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Oly Hossen | Patchstack Bug Bounty Program
.