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Popup Builder by OptinMonster <= 1.1.4.5 — Remote Code Execution

CVE-2016-10996Published · Updated

Action summary

Affected: <1.1.4.6Update to 1.1.4.6 or newer

All remediation steps
Watch plugin
Severity
Medium5.3
CVSS
5.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:N User interaction
None
S:U Scope
Unchanged
C:N Confidentiality
None
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-94 Improper Control of Generation of Code
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Popup Builder & Popup Maker for WordPress – OptinMonster Email Marketing and Lead Generation optinmonster

  1. Affected< 1.1.4.6
  2. Patched in1.1.4.6

Update to 1.1.4.6 or newer.

You are affected if you run < 1.1.4.6. Version 1.1.4.6 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 & Popup Maker for WordPress – OptinMonster Email Marketing and Lead Generation.
  • No admin access? Run a passive check of your site. It reads public files only.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 1.1.4.6, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Popup Builder & Popup Maker for WordPress – OptinMonster Email Marketing and Lead Generation to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to James Golovich.

The OptinMonster plugin for WordPress is vulnerable to Remote Code Execution in versions up to, and including, 1.1.4.5 via the shortcode() function. This allows unauthenticated attackers to execute code on the server.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in Popup Builder & Popup Maker for WordPress – OptinMonster Email Marketing and Lead Generation

All 6
More vulnerabilities in Popup Builder & Popup Maker for WordPress – OptinMonster Email Marketing and Lead Generation
SeverityVulnerabilityCVEPublished
Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤2.16.1Update to 2.16.2
CVE-2024-4045
Medium4.3Cross-Site Request Forgery to Notice Dismissal
≤2.15.3Update to 2.16.0
CVE-2024-33691
Medium4.3 Authenticated (Subscriber+) Sensitive Information Disclosure via Shortcode
≤2.12.1Update to 2.12.2
CVE-2023-0772
High8.2Unprotected REST-API Endpoints
≤2.6.4Update to 2.6.5
CVE-2021-39341
Medium6.1Reflected Cross-Site Scripting
≤2.6.0Update to 2.6.1
CVE-2021-39325

Timeline

  1. CVE published

    Severity medium, CVSS 5.3

  2. 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.

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