Description
The Newsletters plugin for WordPress is vulnerable to time-based SQL Injection via the 'id' parameter in all versions up to, and including, 4.18.1 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with subscriber-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. An attacker can obtain the required nonce and subscriberauth cookie without a WordPress account by simply subscribing through the public newsletter form and opening the management link sent via email; the ownership check verifies only the subscriber_id field and does not validate that the injected id parameter belongs to the authenticated subscriber.
Published: 2026-10-31
Score: 5.3 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Sat, 31 Oct 2026 12:30:00 +0000

Type Values Removed Values Added
First Time appeared Contrid
Contrid newsletters
Wordpress-extensions
Wordpress-extensions newsletters
Vendors & Products Contrid
Contrid newsletters
Wordpress-extensions
Wordpress-extensions newsletters

Sat, 31 Oct 2026 08:45:00 +0000

Type Values Removed Values Added
Description The Newsletters plugin for WordPress is vulnerable to time-based SQL Injection via the 'id' parameter in all versions up to, and including, 4.18.1 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with subscriber-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. An attacker can obtain the required nonce and subscriberauth cookie without a WordPress account by simply subscribing through the public newsletter form and opening the management link sent via email; the ownership check verifies only the subscriber_id field and does not validate that the injected id parameter belongs to the authenticated subscriber.
Title Newsletters <= 4.18.1 - Authenticated (Subscriber+) SQL Injection via 'id' Parameter
Weaknesses CWE-89
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N'}


Subscriptions

Contrid Newsletters
Wordpress-extensions Newsletters
cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-10-31T08:30:47.642Z

Reserved: 2026-09-28T13:56:01.417Z

Link: CVE-2026-101325

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-31T09:16:32.323

Modified: 2026-10-31T09:16:32.323

Link: CVE-2026-101325

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-31T12:15:13Z

Weaknesses