PT-2026-52679 · WordPress · Newsletters-Lite

Published 2026-06-26 · Updated 2026-06-26 · CVE-2026-54840

Positive Technologies (AI Summary)

CVSS v3.1

7.3

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions Newsletters versions 4.13 and earlier

Description An unauthenticated broken access control issue exists in the newsletters-lite plugin, allowing unauthorized users to bypass access restrictions.

Recommendations Update to a version later than 4.13.

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2026-54840

Affected Products

Newsletters-Lite

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-54840 · Security Note
• https://twitter.com/atomicedgeWAF/status/2070375261623783435 · Twitter Post
• https://patchstack.com/database/wordpress/plugin/newsletters-lite/vulnerability/wordpress-newsletters-plugin-4-13-broken-access-control-vulnerability?_s_id=cve · Note