CVE-2026-19862

The JetFormBuilder WordPress plugin before 3.6.5.2 does not validate or strip line breaks from address values it sources from submitted form fields before adding them to the headers of the e-mails it sends, allowing unauthenticated users to inject arbitrary e-mail headers, add hidden recipients and spoof the sender. Exploitation requires the site to be configured to take one of the message's addresses from a form field.
Configurations

No configuration.

History

No history.

Information

Published : 2026-09-06 10:17

Updated : 2026-09-08 19:09


NVD link : CVE-2026-19862

Mitre link : CVE-2026-19862

CVE.ORG link : CVE-2026-19862


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Products Affected

No product.

CWE
CWE-93

Improper Neutralization of CRLF Sequences ('CRLF Injection')