Vulnerability Database

413,718

Total vulnerabilities in the database

CVE-2026-109386

Missing Authorization

The Hustle – Email Marketing, Lead Generation, Optins, Popups plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 7.8.14.3. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with custom-level access and above, to overwrite the site's active ESP integration credentials (AWeber, Constant Contact, Infusionsoft, ConvertKit, or HubSpot API keys) with attacker-controlled values — diverting all subsequent Hustle form lead submissions to the attacker's ESP tenant — and, for HubSpot, irreversibly delete the operator's OAuth token, OAuth referer, and OAuth current-page option rows. This requires the attacker to hold the plugin-granted hustle_create capability (e.g., an Editor delegated hustle_create but not hustle_edit_integrations via Hustle's Permissions tab), which allows them to load a Hustle module wizard page and obtain the hustle_provider_action nonce needed to reach the vulnerable handlers.

  • Published: Oct 31, 2026
  • Updated: Nov 8, 2026
  • CVE: CVE-2026-109386
  • Severity: Medium
  • Exploit:
  • CISA KEV:

CVSS v3:

  • Severity: Medium
  • Score: 4.3
  • AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CWEs:

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Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.