Vulnerability · Published Sep 30, 2026 · Assigned by Patchstack

CVE-2026-97074WordPress Newsletters, Email Marketing, SMS and Popups by Omnisend plugin <= 1.9.0 - Insecure Direct Object References (IDOR) vulnerability

Medium 4.3

In plain English

A medium-severity authorization bypass via user-controlled key in Newsletters, Email Marketing, SMS and Popups by Omnisend from Omnisend. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.2%top 84.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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

Affected products (as reported)

VendorProductVersions
Omnisend Newsletters, Email Marketing, SMS and Popups by Omnisend n/a – through 1.9.0

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

References