Popup Builder – Create highly converting, mobile friendly marketing popups <= 4.3.1 - Missing Authorization and Nonce Exposure
The Popup Builder – Create highly converting, mobile friendly marketing popups. plugin for WordPress is vulnerable to unauthorized access of functionality due to a missing capability check on several functions in all versions up to, and including, 4.3.1. While some functions contain a nonce check, the nonce can be obtained from the profile page of a logged-in user. This allows subscribers to perform several actions including deleting subscribers and perform blind Server-Side Request Forgery.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| WordPress plugin | Popup Builder – Create highly converting, mobile friendly marketing popups. | <= 4.3.1 | 4.3.2 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N- Weakness (CWE)
CWE-862- Platform
- WordPress
- Package
Popup Builder – Create highly converting, mobile friendly marketing popups.- Disclosed
- 14.06.2024
- Updated
- 11.10.2026 10:22
Sources and licenses
Wordfence Intelligence - 9f86ec30-7a9d-4c36-8559-bde331c8b958 - Wordfence Intelligence
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Copyright 2012-2026 Defiant Inc.
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Vulnerability history: Popup Builder – Create highly converting, mobile friendly marketing popups.
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
- 23
- First → latest
- 08.2019 02.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 3
- High 6
- Medium 14
Disclosures per year
- 2019: 1
- 2020: 3
- 2021: 2
- 2022: 6
- 2023: 2
- 2024: 7
- 2025: 1
- 2026: 1
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Popup Builder – Create highly converting, mobile friendly marketing popups <= 4.3.1 - Missing Authorization and Nonce Exposure this entry
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