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Hustle WordPress Plugin EUVDEUVD-2026-74722

| CVE-2026-80440 MEDIUM
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)
2026-09-09 WPScan GHSA-rf7x-rwhg-53vc
4.8
CVSS 3.1 · Vendor: WPScan
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Severity by source

Vendor (WPScan) PRIMARY
4.8 MEDIUM
AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
vuln.today AI
4.8 MEDIUM

Network-reachable via public form, no auth required, but AC:H for nesting bypass; impact limited to shortcode-dependent disclosure and limited integrity effect.

3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
4.0 AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (WPScan).

CVSS VectorVendor: WPScan

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

3
Analysis Generated
Sep 09, 2026 - 07:16 vuln.today
Patch available
Sep 09, 2026 - 07:03 EUVD
CVE Published
Sep 09, 2026 - 06:25 cve.org
MEDIUM 4.8

DescriptionCVE.org

The Hustle WordPress plugin before 7.8.14.2 does not prevent shortcodes in submitted form values from being executed when it substitutes those values into the message it returns after submission, because the guard it applies can be defeated by nesting, allowing unauthenticated users to run any shortcode registered on the site.

AnalysisAI

Shortcode injection in the Hustle WordPress plugin (versions prior to 7.8.14.2) allows unauthenticated remote attackers to execute any shortcode registered on the target site by embedding nested shortcode syntax in form submission field values. The plugin substitutes submitted values into its post-submission success message, and while a guard exists to prevent shortcode execution, it can be defeated through shortcode nesting - causing WordPress to process and execute arbitrary registered shortcodes in the response. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation Exploitation requires the Hustle WordPress plugin to be installed, active, and at a version prior to 7.8.14.2 on the target site. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 vector AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N yields a base score of 4.8 (Medium), with AC:H reflecting the nesting bypass complexity. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Update the Hustle WordPress plugin to version 7.8.14.2 or later via the WordPress plugin dashboard or the WPMU Dev Hub; this version contains the corrected shortcode sanitization guard that cannot be defeated by nesting. … Detailed patch versions, workarounds, and compensating controls in full report.

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EUVD-2026-74722 vulnerability details – vuln.today

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