CVE-2026-115303 - Contact Form by Supsystic < 1.11.1 - Unauthenticated CRLF / Email Header Injection via Reply-To Field Mapping
CVE ID :CVE-2026-115303
Published : Oct. 29, 2026, 8:03 a.m. | 57 minutes ago
Description :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.
Severity: 3.7 | LOW
Visit the link for more details, such as CVSS details, affected products, timeline, and more...
Published : Oct. 29, 2026, 8:03 a.m. | 57 minutes ago
Description :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.
Severity: 3.7 | LOW
Visit the link for more details, such as CVSS details, affected products, timeline, and more...