CVE-2026-57645
Newsletters <= 4.13 - Missing Authorization
mediumMissing Authorization
4.3
CVSS Score
4.3
CVSS Score
medium
Severity
4.14
Patched in
4d
Time to patch
Description
The Newsletters plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in versions up to, and including, 4.13. This makes it possible for authenticated attackers, with newsletters_subscribers-level access and above, to perform an unauthorized action.
CVSS Vector Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NAttack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
None
Confidentiality
Low
Integrity
None
Availability
Technical Details
Affected versions
<=4.13PublishedJune 26, 2026
Last updatedJune 29, 2026
Affected pluginnewsletters-lite
Source Code
WordPress.org SVNVulnerable v4.13
Patched v4.14
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