Description
The Newsletters WordPress plugin before 4.16 does not authenticate or validate a bounce-processing request before fetching a user-supplied URL on the server side, allowing unauthenticated attackers to make the site issue requests to arbitrary internal or external hosts.
Published: 2026-08-06
Score: 8.2 High
EPSS: < 1% Very Low
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

Thu, 06 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-918
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 06 Aug 2026 06:30:00 +0000

Type Values Removed Values Added
Description The Newsletters WordPress plugin before 4.16 does not authenticate or validate a bounce-processing request before fetching a user-supplied URL on the server side, allowing unauthenticated attackers to make the site issue requests to arbitrary internal or external hosts.
Title Newsletters < 4.16 - Unauthenticated Server-Side Request Forgery via SNS Bounce Handler
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-08-06T14:08:39.333Z

Reserved: 2026-07-20T09:09:39.417Z

Link: CVE-2026-16268

cve-icon Vulnrichment

Updated: 2026-08-06T14:08:35.915Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-06T08:30:17Z

Weaknesses