Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
Primary rating from Vendor (patchstack) · only source for this CVE.
CVSS VectorVendor: patchstack
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
Lifecycle Timeline
1DescriptionCVE.org
newsletters_subscribers Broken Access Control in Newsletters <= 4.13 versions.
AnalysisAI
Improper authorization (CWE-862) in the WordPress "Newsletters" plugin (newsletters-lite) versions 4.13 and earlier lets remote unauthenticated attackers tamper with the newsletters_subscribers functionality, yielding high integrity and availability impact (CVSS 8.1). The flaw, reported by Patchstack and tagged as an authentication bypass, requires victim interaction (UI:R) but no attacker privileges. …
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Within 24 hours: Audit all WordPress installations to identify affected plugin versions (4.13 and earlier). …
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Same weakness CWE-862 – Missing Authorization
View allSame technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-39760
GHSA-v2jx-863w-h6g6