CVE-2026-24559 is an insertion of sensitive information into sent data vulnerability found in the CRM Perks Integration for Contact Form 7 HubSpot. This issue permits attackers to retrieve embedded sensitive data, which can lead to unauthorized access to private information. The vulnerability is classified as medium severity, with a CVSS score of 5.3, indicating that while it is not critical, it poses a significant risk to organizations utilizing this integration.
The vulnerability affects versions of the integration for Contact Form 7 HubSpot up to and including 1.4.3. Organizations using this plugin should be particularly vigilant, as the potential for exposure of sensitive information can have serious implications for privacy and security.
Currently, there are no known public exploits or active exploitation of this vulnerability, but its presence in a widely used plugin underscores the need for immediate attention and remediation measures to mitigate any risks associated with its exploitation.
Organizations should prioritize patching this vulnerability to prevent potential data breaches or unauthorized data access. Failure to address this issue can result in severe reputational damage and compliance violations.
Vulnerability Details
The official description of CVE-2026-24559 states that this vulnerability allows for the retrieval of embedded sensitive data within the CRM Perks Integration for Contact Form 7 HubSpot. This issue affects versions from n/a to <= 1.4.3. The CVSS score of 5.3 indicates a medium severity, suggesting a low attack complexity and no privileges required for exploitation.
The vulnerability falls under the CWE classification of CWE-201, which concerns sensitive data exposure. The attack vector is network-based, and the impact on confidentiality is considered low, with no impact on integrity or availability.
Technical Analysis
The root cause of CVE-2026-24559 lies in the improper handling of sensitive data within the CRM Perks Integration. Attackers may leverage this vulnerability by sending crafted requests to the affected application, allowing them to extract sensitive information without needing any prior authentication or user interaction.
The attack complexity is low, and no privileges are required to exploit this vulnerability, making it accessible to a broad range of attackers. Given the network attack vector, the vulnerability can be exploited remotely, increasing its potential impact.
While the confidentiality impact is rated as low, the potential for sensitive data exposure makes this vulnerability a concern for organizations that may store or transmit personal information through the affected integration.
Risk & Impact Analysis
Risk to organizations includes unauthorized access to sensitive data, which can lead to compliance violations and reputational damage. The integration's widespread use means that many organizations could be affected, increasing the potential blast radius of any exploitation.
Given the CVSS score of 5.3, organizations should address this vulnerability in their priority patch cycle. The lack of known exploitation does not diminish the importance of remediation, as vulnerabilities can quickly become targets for attackers.
Organizations should monitor for any signs of exploitation and prepare incident response plans to mitigate potential impacts from this vulnerability.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
All versions of the CRM Perks Integration for Contact Form 7 HubSpot up to and including version 1.4.3 are affected by this vulnerability. Organizations should verify their current integration version to implement necessary updates.
Mitigation & Remediation
Organizations should prioritize patching this vulnerability in their systems. It is essential to upgrade to the latest version of the CRM Perks Integration for Contact Form 7 HubSpot as updates become available. If patches are not yet available, organizations can consider implementing alternative security measures such as restricting access to affected components and monitoring for unusual activity.
Further, organizations may benefit from engaging in penetration testing and security assessments to evaluate the effectiveness of their security posture.
Detection Guidance
Organizations should monitor logs for any unauthorized access attempts, particularly those targeting sensitive data fields. Behavioral anomalies, such as unexpected data retrieval requests, should be flagged for further investigation. Network signatures that may indicate exploitation attempts should also be established.
AppSecure Threat Intelligence Insight
CVE-2026-24559 highlights the importance of secure data handling practices within third-party integrations. Organizations should remain vigilant in auditing their use of external plugins and integrations, particularly those that handle sensitive data. To bolster their defenses, security teams should incorporate vulnerability management programs that continuously monitor and assess potential risks associated with third-party software.
Additionally, organizations should adopt best practices for penetration testing, which can help identify vulnerabilities before they are exploited.
Finally, it is crucial to engage in comprehensive security training for development teams to ensure proper implementation of security measures in all software components.
Known Exploitation Timeline
As of now, CVE-2026-24559 has not been included in the Known Exploited Vulnerabilities (KEV) catalog, indicating that there are no confirmed instances of exploitation in the wild.
EPSS Risk Context
The EPSS score for CVE-2026-24559 is 0.00041, placing it within the 0.12 percentile. This score suggests that the likelihood of exploitation is relatively low, but organizations should not become complacent given the sensitive nature of the vulnerability.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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