CVE Catalog

CVE-2026-78146

MediumCVSS 6.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.18%

7th percentile - higher than 7% of all known CVEs

Summary

The Simple Newsletter Plugin WordPress plugin before version 4.3.3 does not verify that the requester is the subscriber named in a public request before rendering that subscriber's stored details, allowing unauthenticated users to disclose a subscriber's personal data along with the key that authorises changes to their record.

Risk Assessment

The organization may experience a breach of subscriber data privacy, potentially leading to legal consequences and loss of trust. The attack does not require authentication, increasing the risk of exploitation.

Recommendation

It is recommended to update the Simple Newsletter Plugin to version 4.3.3 or later, which includes fixes for requester identity verification.

Related vulnerabilities

Original NVD description (English source)

The Simple Newsletter Plugin WordPress plugin before 4.3.3 does not verify that the requester is the subscriber named in a public request before rendering that subscriber's stored details, allowing unauthenticated users to disclose a subscriber's personal data along with the key that authorises changes to their record.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS