PT-2026-81971 · WordPress · Simple Newsletter Plugin

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CVE-2026-78146

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Published

2026-08-26

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Updated

2026-08-26

CVSS v3.1

6.5

Medium

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Name of the Vulnerable Software and Affected Versions Simple Newsletter Plugin versions prior to 4.3.3
Description An issue exists where the plugin fails to verify if the requester is the subscriber specified in a public request before displaying stored details. This allows unauthenticated users to disclose a subscriber's personally identifiable information (PII) and the confirm key used to authorize changes to their record via the Actions page.
Recommendations Update Simple Newsletter Plugin to version 4.3.3 or later.

Exploit

Fix

Information Disclosure

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Weakness Enumeration

Related Identifiers

CVE-2026-78146

Affected Products

Simple Newsletter Plugin