---
id: CVE-2026-97074
title: >-
  Subscriber Insecure Direct Object References (IDOR) in Newsletters, Email
  Marketing, SMS and Popups by Omnisend <= 1.9.0 versions.
summary: >-
  Subscriber Insecure Direct Object References (IDOR) in Newsletters, Email
  Marketing, SMS and Popups by Omnisend <= 1.9.0 versions.
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'
cwe:
  - CWE-639
vendor: Omnisend
product: omnisend
affected:
  - omnisend >= n/a <= 1.9.0
published: '2026-09-30'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T14:18:13.693'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-97074'
references:
  - url: >-
      https://patchstack.com/database/wordpress/plugin/omnisend/vulnerability/wordpress-newsletters-email-marketing-sms-and-popups-by-omnisend-plugin-1-9-0-insecure-direct-object-references-idor-vulnerability?_s_id=cve
    label: audit@patchstack.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-30T13:08:34.086349Z'
ingestedAt: '2026-09-30T13:03:51.994Z'
---

## Overview

Subscriber Insecure Direct Object References (IDOR) in Newsletters, Email Marketing, SMS and Popups by Omnisend <= 1.9.0 versions.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.