Popup Builder – Create highly converting, mobile friendly marketing popups <= 4.3.1 — Missing Authorization and Nonce Exposure
CVE-2023-6696Published · Updated Action summary
Affected: ≤4.3.1Update to 4.3.2 or newer
All remediation steps- Severity
- High8.1
- CVSS
- 8.1CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:LPrivileges required- Low
UI:NUser interaction- None
S:UScope- Unchanged
C:HConfidentiality- High
I:HIntegrity- High
A:NAvailability- None
- Weakness
- CWE-862 Missing Authorization
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
Popup Builder – Create highly converting, mobile friendly marketing popups. popup-builder
- Affected≤ 4.3.1
- Patched in4.3.2
Update to 4.3.2 or newer.
You are affected if you run ≤ 4.3.1. Version 4.3.2 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Popup Builder – Create highly converting, mobile friendly marketing popups..
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 4.3.2, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Popup Builder – Create highly converting, mobile friendly marketing popups. to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Lucio Sá.
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.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in Popup Builder – Create highly converting, mobile friendly marketing popups.
All 25| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Critical9.1 | Missing Authorization to Unauthenticated Arbitrary Popup Post Trashing via 'post_type' and 'sg_popup_preview_id' Parameters ≤4.4.5Update to 4.4.6 | CVE-2026-89270 | |
| Medium5.3 | Missing Authorization <4.4.6Update to 4.4.6 | CVE-2026-112230 | |
| Medium5.3 | Create highly converting, mobile friendly marketing popups. <= 4.4.2 - Improper Authorization to Unauthenticated Subscriber Removal via Predictable Tokens ≤4.4.2Update to 4.4.3 | CVE-2025-13079 | |
| Medium6.4 | Authenticated (Contributor+) Stored Cross-Site Scripting ≤4.4.1Update to 4.4.2 | CVE-2025-9856 | |
| Medium4.4 | Authenticated (Admin+) Stored Cross-Site Scripting ≤4.3.4Update to 4.3.5 | CVE-2024-9428 |
- Critical9.1Missing Authorization to Unauthenticated Arbitrary Popup Post Trashing via 'post_type' and 'sg_popup_preview_id' Parameters
≤4.4.5Update to 4.4.6
- Medium5.3Missing Authorization
<4.4.6Update to 4.4.6
- Medium5.3Create highly converting, mobile friendly marketing popups. <= 4.4.2 - Improper Authorization to Unauthenticated Subscriber Removal via Predictable Tokens
≤4.4.2Update to 4.4.3
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤4.4.1Update to 4.4.2
- Medium4.4Authenticated (Admin+) Stored Cross-Site Scripting
≤4.3.4Update to 4.3.5
Same weakness (Missing Authorization)
All Missing Authorization| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header | CVE-2026-120688 | |
| Critical9.8 | Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission | CVE-2026-125055 | |
| Critical9.8 | Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter | CVE-2026-119077 | |
| Medium5.3 | Unauthenticated Sensitive Information Exposure in 'search' Parameter | CVE-2026-121518 |
- High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup
≤5.25.25Update to 5.26.45
- Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder
≤1.0.2Update to 1.1
- Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System
≤3.3.9Update to 3.4.0
- Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce
≤5.127.0Update to 5.128.0
Timeline
CVE published
Severity high, CVSS 8.1
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.