low3.7
CVE-2026-115303
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 in…
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| Contact Form By Supsystic WordPress Plugin | before 1.11.1 |
Versions were read from the advisory text. No structured product data has been published for this record yet.