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WordPress plugin

Hustle – Email Marketing, Lead Generation, Optins, Popups < 7.8.14.2 — Unauthenticated Arbitrary Shortcode Execution

CVE-2026-80440Published · Updated

Action summary

Affected: <7.8.14.2Update to 7.8.14.2 or newer

All remediation steps
Watch plugin
Severity
Medium6.5
CVSS
6.5
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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:L Confidentiality
Low
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?

Hustle – Email Marketing, Lead Generation, Optins, Popups wordpress-popup

  1. Affected< 7.8.14.2
  2. Patched in7.8.14.2

Update to 7.8.14.2 or newer.

You are affected if you run < 7.8.14.2. Version 7.8.14.2 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Hustle – Email Marketing, Lead Generation, Optins, Popups.
  • 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 7.8.14.2, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Hustle – Email Marketing, Lead Generation, Optins, Popups to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Jakub Herman.

The Hustle – Email Marketing, Lead Generation, Optins, Popups plugin for WordPress is vulnerable to Remote Code Execution in all versions up to 7.8.14.2. This is due to use of strip_shortcodes on submitted field values, which can be bypassed by nesting brackets, instead of encoding square brackets to prevent shortcode formation entirely. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes registered on the site by submitting bracket-nested shortcode payloads in form fields that are reflected in the post-submission success message.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in Hustle – Email Marketing, Lead Generation, Optins, Popups

All 15
More vulnerabilities in Hustle – Email Marketing, Lead Generation, Optins, Popups
SeverityVulnerabilityCVEPublished
Medium4.3Missing Authorization to Authenticated (Custom+) ESP Credential Overwrite and Irreversible OAuth Token Deletion via 'hustle_provider_migrate_hubspot' (and sibling migrate_*) AJAX Action
≤7.8.14.3Update to 7.8.14.4
CVE-2026-109386
Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting via Module Content Title
≤7.8.14.3Update to 7.8.14.4
CVE-2026-107710
Medium4.9Authenticated (Subscriber+) Stored Cross-Site Scripting via 'cta_label' Parameter
≤7.8.14.3Update to 7.8.14.4
CVE-2026-118169
Medium4.3Missing Authorization
≤7.8.14.2Update to 7.8.14.3
CVE-2026-103075
Medium5.3Missing Authorization
≤7.8.10.1Update to 7.8.10.2
CVE-2026-25431

Timeline

  1. CVE published

    Severity medium, CVSS 6.5

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVE® identifiers
[object Object]. 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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