The WordPress Newsletter Plugin WordPress plugin before 1.6.5 does not validate the to parameter before redirecting the user to its given value, leading to an open redirect issue
https://wpscan.com/vulnerability/c2d2384c-41b9-4aaf-b918-c1cfda58af5c
https://plugins.trac.wordpress.org/changeset/2639592
Source: Mitre, NVD
Published: 2022-02-14
Updated: 2026-06-17
Base Score: 5.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.00926