CVE-2026-59511
Summary
by MITRE • 07/06/2026
Insertion of Sensitive Information Into Sent Data vulnerability in Tim Strifler Exclusive Addons Elementor allows Retrieve Embedded Sensitive Data.
This issue affects Exclusive Addons Elementor: from n/a through 2.7.9.9.
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Analysis
by VulDB Data Team • 07/06/2026
The Insertion of Sensitive Information Into Sent Data vulnerability represents a critical security flaw that enables unauthorized data exposure during transmission processes. This specific weakness manifests within the Tim Strifler Exclusive Addons Elementor plugin where sensitive information becomes inadvertently embedded within outgoing data packets. The vulnerability creates an attack surface that allows malicious actors to retrieve embedded sensitive data through network monitoring or interception techniques, potentially compromising user privacy and system integrity.
This flaw operates under the broader category of information exposure vulnerabilities classified as CWE-209, which specifically addresses the insertion of sensitive data into sent data streams. The vulnerability is particularly concerning because it occurs during data transmission phases where normally protected information becomes accessible to unauthorized parties. The Exclusive Addons Elementor plugin serves as a conduit for this information leakage, creating a persistent security risk that extends beyond typical plugin boundaries and affects the entire WordPress ecosystem where the vulnerable version operates.
The operational impact of this vulnerability extends far beyond simple data exposure, potentially enabling attackers to reconstruct user sessions, extract authentication tokens, or access confidential business information. When considering the ATT&CK framework, this vulnerability maps directly to T1071.004 Network Protocol Impersonation and T1567.002 Exfiltration Over Web Service, as it facilitates unauthorized data transfer through legitimate network channels. The affected version range from n/a through 2.7.9.9 indicates that multiple iterations of the plugin contain this flaw, suggesting a widespread vulnerability that has persisted across several updates without proper remediation.
The technical implementation of this vulnerability involves improper handling of sensitive data within the plugin's transmission mechanisms, where cryptographic keys, user credentials, or session identifiers may be included in outbound requests without adequate sanitization. This creates an environment where network traffic analysis tools can easily extract confidential information, making the attack surface particularly vulnerable to passive reconnaissance and active exploitation attempts. The vulnerability's persistence across multiple versions suggests inadequate security testing during development cycles and insufficient quality assurance measures.
Mitigation strategies for this vulnerability require immediate plugin updates to versions that address the sensitive data handling practices, alongside network-level monitoring to detect anomalous data transmission patterns. Organizations should implement network segmentation to limit exposure and consider deploying intrusion detection systems specifically configured to identify potential data leakage events. Additionally, regular security audits of third-party plugins and mandatory security assessments before deployment can prevent similar vulnerabilities from entering production environments. The remediation process must include thorough testing of data transmission channels and verification that sensitive information no longer appears in outbound communications, ensuring compliance with industry standards such as ISO 27001 and NIST cybersecurity frameworks.