Description
The Newsletters WordPress plugin before 4.16 does not restrict the classes allowed when unserialising a value taken from a public form submission, allowing unauthenticated attackers to inject arbitrary PHP objects.
Published: 2026-08-08
Score: n/a
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Sat, 08 Aug 2026 07:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-545

Sat, 08 Aug 2026 06:30:00 +0000

Type Values Removed Values Added
Description The Newsletters WordPress plugin before 4.16 does not restrict the classes allowed when unserialising a value taken from a public form submission, allowing unauthenticated attackers to inject arbitrary PHP objects.
Title Newsletters < 4.16 - Unauthenticated PHP Object Injection via Date Form Field
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-08-08T06:00:10.538Z

Reserved: 2026-07-20T09:09:37.520Z

Link: CVE-2026-16267

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-08T07:30:17Z

Weaknesses
  • CWE-545

    DEPRECATED: Use of Dynamic Class Loading