Description

Unauthenticated Cross Site Scripting (XSS) in Ansar Import – One Click Starter Sites – for Elementor &amp; Themes <= 2.1.2 versions.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "7.1",
  "pubDate": "2026-10-06T09:17:50.503Z",
  "pubdate": "2026-10-06T09:17:50.503Z",
  "executiveSummary": "An unauthenticated Cross-Site Scripting (XSS) vulnerability exists in the 'Ansar Import – One Click Starter Sites – for Elementor & Themes' plugin, specifically affecting versions 2.1.2 and below.\nThe vulnerability arises from improper sanitization and validation of user-supplied input before rendering it in the browser context.\nAn unauthenticated attacker can execute arbitrary JavaScript in the context of an administrator's session, leading to full site compromise, administrative account takeover, or the injection of malicious scripts into site content.\nThis vulnerability is critical due to its lack of authentication requirements, allowing remote exploitation over the network without prior knowledge of system credentials.\nSuccessful exploitation facilitates unauthorized actions, session hijacking, and potential redirection of legitimate traffic to malicious domains.",
  "technicalDetails": "The root cause of this vulnerability is the failure of the 'Ansar Import' plugin to adequately sanitize GET or POST parameters before outputting them into the HTML response.\nThe vulnerability resides within the plugin's core functionality, which processes import requests or configuration settings. By injecting malicious script payloads into specific input parameters, an attacker can bypass standard security controls.\nBecause the plugin does not implement proper output encoding (such as esc_html() or esc_js() in the WordPress ecosystem) when reflecting user input, the payload is parsed by the victim's browser as executable code.\nThe attack flow begins with the attacker crafting a specially constructed HTTP request containing a JavaScript payload. This request targets the vulnerable plugin endpoint. When an administrator, who is authenticated to the WordPress backend, visits a page or performs an action that triggers the plugin to render the malicious input, the script executes within the administrator's browser session.\nDue to the execution occurring in an authenticated administrative context, the injected JavaScript possesses the capability to perform any action the administrator can perform, including creating new administrative users, modifying plugin settings, or installing further malicious components.\nThe vulnerability is classified as reflected XSS, as the malicious payload is immediately reflected back to the user without being stored persistently in the database, though the impact remains high due to the potential for cross-site request forgery and data exfiltration.\nThe exposure is network-based; any internet-facing WordPress instance running the affected versions is susceptible. Exploitation does not require elevated privileges, making it accessible to any remote, unauthenticated adversary capable of reaching the WordPress installation URL.\nPost-exploitation impacts include the compromise of administrative sessions, the ability to modify site configuration, and the potential for a complete takeover of the web server if the WordPress environment is misconfigured to allow remote code execution."
}