Description

Insertion of Sensitive Information Into Sent Data vulnerability in Chiranjit Hazarika Smart One Click Setup – Complete Demo Import & Export smart-one-click-setup allows Retrieve Embedded Sensitive Data.This issue affects Smart One Click Setup – Complete Demo Import & Export: from n/a through 1.4.3.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "5.3",
  "pubDate": "2026-10-02T15:17:09.217Z",
  "pubdate": "2026-10-02T15:17:09.217Z",
  "executiveSummary": "The Smart One Click Setup – Complete Demo Import & Export WordPress plugin (versions 1.4.3 and below) is susceptible to an Insertion of Sensitive Information Into Sent Data vulnerability. This security flaw allows unauthenticated or unauthorized entities to retrieve sensitive data embedded within the plugin's data import or export functions.\nThe vulnerability stems from improper handling of sensitive information, leading to its exposure during data processing or transit. If exploited, an attacker could gain unauthorized access to credentials, configuration details, or other proprietary information handled by the plugin, potentially leading to full site compromise or sensitive data leakage.\nThe impact is significant, as it exposes critical infrastructure data to external parties. The vulnerability does not require complex prerequisites, suggesting a relatively low barrier to entry for potential attackers. Organizations utilizing this plugin are at risk of data breach and should prioritize remediation.",
  "technicalDetails": "The vulnerability is classified as an Insertion of Sensitive Information Into Sent Data issue within the Smart One Click Setup plugin. The root cause is rooted in the plugin's failure to sanitize, restrict, or obfuscate sensitive data packets before they are either transmitted or presented to the client-side during the demo import or export process.\nThe exploitation mechanism involves the unauthorized interception or retrieval of data streams generated by the plugin. Because the plugin processes demo data—which often includes pre-configured database settings, administrative API keys, or temporary user credentials—the exposure of these data objects during the import/export lifecycle allows an attacker to reconstruct sensitive information that should remain private.\nThe attack flow follows a predictable pattern: 1) The attacker initiates or triggers a request to the plugin's import/export functional endpoint. 2) The plugin executes its routine, which includes serializing and retrieving configuration data. 3) Due to the lack of adequate input/output validation, the sensitive data is included in the response payload or a publicly accessible temporary file. 4) The attacker captures this response, parses the serialized data, and extracts the sensitive information.\nThis vulnerability is particularly concerning because the plugin operates with high-level privileges to perform demo imports. Consequently, the exposed information often includes elevated credentials or database connection strings, significantly increasing the severity of the post-exploitation impact. An attacker could leverage these leaked credentials to move laterally within the WordPress environment or escalate privileges if the extracted information contains administrative session tokens or user account details.\nAffected versions include all iterations from n/a up to 1.4.3. Given that the plugin is designed to handle administrative configuration tasks, the exposed data often represents the most critical assets of the installation. No specific authentication is required to interact with the vulnerable endpoints if they are exposed to the public web, making the attack surface broad for any site running the plugin."
}