The Contact Form by Supsystic WordPress plugin before 1.11.1 does not strip CR/LF characters or re-validate submitted field values before concatenating them into outgoing email headers when a form is configured to map a submitted field into its Reply-To, From or Cc header, allowing unauthenticated users to inject arbitrary email headers such as additional Bcc or Cc recipients into the notification email.
References
Configurations
No configuration.
History
29 Oct 2026, 11:17
| Type | Values Removed | Values Added |
|---|---|---|
| CWE | CWE-93 |
29 Oct 2026, 09:17
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-10-29 09:17
Updated : 2026-10-29 15:18
NVD link : CVE-2026-115303
Mitre link : CVE-2026-115303
CVE.ORG link : CVE-2026-115303
JSON object : View
Products Affected
No product.
CWE
CWE-93
Improper Neutralization of CRLF Sequences ('CRLF Injection')
