The Newsletters WordPress plugin before 4.15 does not prevent deserialization of untrusted input that is stored through a public form, allowing unauthenticated attackers to inject a PHP object and, via a property-oriented gadget chain bundled with the Newsletters WordPress plugin before 4.15, write arbitrary files and execute code on the server.
Metrics
Affected Vendors & Products
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References
History
Tue, 14 Jul 2026 06:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | The Newsletters WordPress plugin before 4.15 does not prevent deserialization of untrusted input that is stored through a public form, allowing unauthenticated attackers to inject a PHP object and, via a property-oriented gadget chain bundled with the Newsletters WordPress plugin before 4.15, write arbitrary files and execute code on the server. | |
| Title | Newsletters < 4.15 - Unauthenticated PHP Object Injection via Subscriber Custom Field | |
| References |
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MITRE
Status: PUBLISHED
Assigner: WPScan
Published: 2026-07-14T06:00:02.660Z
Updated: 2026-07-14T06:00:02.660Z
Reserved: 2026-06-18T07:06:08.362Z
Link: CVE-2026-12583
Vulnrichment
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NVD
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Redhat
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