CVE-2021-25033 - Before 1 Plugin
CVE-2021-25033
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
CVE-2021-25033
CVE-2021-25033
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
CVE-2021-25033
Machine-generated threat intelligence
AI Updated 9 days ago
AI enriched 9 days ago (2026-04-12 02:43 UTC)
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
Severity is MEDIUM (CVSS 6.1). Depending on deployment context, affected components may be exposed to unauthorized actions or data integrity risk.
Exploitability is assessed as Medium based on severity and technical exposure profile.
Primary risk drivers: severity and technical exposure profile
Validate affected product versions, prioritize patching, and monitor references for vendor remediation guidance. If immediate patching is not possible, apply compensating controls and limit exposure of vulnerable surfaces.
Track authentication anomalies, unexpected file writes, and suspicious plugin API activity around affected components.
AI risk score 53/100 (Moderate, Medium) with priority P4 Planned. Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.