OneTone Companion <= 1.1.1 - Open Mailer
The OneTone Companion plugin for WordPress suffers from an Open Mailer vulnerability in versions up to, and including, 1.1.1. This is due to a lack of authorization on the onetone_contact function which is reachable via nopriv AJAX call. This makes it possible for unauthenticated attackers to send emails with any content to any recipient.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| WordPress plugin | OneTone Companion | <= 1.1.1 | no fix |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N- Weakness (CWE)
CWE-862- Platform
- WordPress
- Package
OneTone Companion- Disclosed
- 18.08.2022
- Updated
- 11.10.2026 10:22
Sources and licenses
Wordfence Intelligence - 5fd000dd-f75a-4ff0-bc71-20db878caca7 - Wordfence Intelligence
Copyright 2012-2026 Defiant Inc.
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Vulnerability history: OneTone Companion
All published vulnerabilities of this package (WordPress plugin), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 3
- First → latest
- 04.2020 08.2022
- Without a fix
- 3
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 1
- Medium 1
Disclosures per year
- 2020: 2
- 2021: 0
- 2022: 1
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 0
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OneTone Companion <= 1.1.1 - Open Mailer this entry
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