PT-2026-117251 · Undefined · Undefined

·

CVE-2026-91831

·

Published

2026-10-19

·

Updated

2026-10-19

CVSS v3.1

3.8

Low

VectorAV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
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.

Exploit

Fix

Found an issue in the description? Have something to add? Feel free to write us 👾

Related Identifiers

CVE-2026-91831

Affected Products

Undefined