Is there a public exploit for CVE-2026-115303?

No public exploit for CVE-2026-115303 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-115303?

CVE-2026-115303 scores CVSS 3.7 (v3.1), rated low.

3.7 Low

The Contact Form by Supsystic WordPress plugin before 1.11.1 does not strip CR/LF characters or re-validate submitted field values before…

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 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.

Assessment

CVSS: 3.7 (v3.1)
Severity: Low
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 29 October 2026
Last updated: 29 October 2026
Weakness: CWE-93
Assigner: contact@wpscan.com

CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

At the source

References

https://wpscan.com/vulnerability/c32e3ccd-84cb-42a4-a343-353a02ccb541/

Community proofs of concept

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