{"id":"CVE-2026-91831","published":"2026-10-19T07:16:32.187","lastModified":"2026-10-19T21:02:51.987","description":"The Subscribe to Comments WordPress plugin before 2.3.3 does not sanitise newline characters from a notification sender-name setting before using it in e-mail headers, allowing users with Author-level access and above to inject arbitrary e-mail headers, such as a hidden Bcc, and to spoof the sender.","cvssScore":3.8,"cvssSeverity":"LOW","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N","cwes":["CWE-93"],"vendors":[],"products":[],"references":[{"url":"https://wpscan.com/vulnerability/6cd60f78-f5e2-4b4a-8d50-7d2bc4f981ee/","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}