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CVE Vulnerability Database
Vulnerability Database/CVE-2025-48297

CVE-2025-48297: Simple Link Directory XSS Vulnerability

CVE-2025-48297 is a reflected cross-site scripting flaw in Simple Link Directory plugin that allows attackers to inject malicious scripts. This article covers technical details, affected versions, impact, and mitigation.

Updated: May 15, 2026

CVE-2025-48297 Overview

CVE-2025-48297 is a reflected cross-site scripting (XSS) vulnerability in the quantumcloud Simple Link Directory plugin (qc-simple-link-directory) for WordPress. The flaw stems from improper neutralization of user-supplied input during web page generation [CWE-79]. All versions up to and including 14.8.1 are affected. An unauthenticated attacker can craft a malicious URL that, when clicked by a victim, executes arbitrary JavaScript in the victim's browser session under the context of the vulnerable WordPress site.

Critical Impact

Successful exploitation enables session hijacking, credential theft, malicious redirects, and administrative account compromise when a privileged user clicks an attacker-crafted link.

Affected Products

  • quantumcloud Simple Link Directory (qc-simple-link-directory) WordPress plugin
  • All versions from initial release through 14.8.1
  • WordPress sites with the plugin installed and active

Discovery Timeline

  • 2025-08-20 - CVE-2025-48297 published to the National Vulnerability Database (NVD)
  • 2026-04-23 - Last updated in NVD database

Technical Details for CVE-2025-48297

Vulnerability Analysis

The vulnerability is a reflected cross-site scripting issue classified under [CWE-79]. The plugin accepts user-controlled input through HTTP request parameters and embeds the value back into the rendered HTML response without proper output encoding or input sanitization. Because the payload is reflected directly into the response, an attacker can construct a URL containing JavaScript that executes when a victim visits the link.

Exploitation requires user interaction. A victim must click a crafted link or visit an attacker-controlled page that triggers the request. The vulnerability has a scope change characteristic, meaning the injected script can affect resources beyond the vulnerable component, such as the administrative session of a logged-in WordPress user.

Root Cause

The plugin fails to apply WordPress sanitization functions such as esc_html(), esc_attr(), or sanitize_text_field() to one or more request parameters before echoing them into the page output. Without contextual escaping, HTML control characters and <script> tags pass through to the browser and are parsed as executable markup.

Attack Vector

The attack vector is network-based and requires no authentication. An attacker crafts a URL targeting a vulnerable endpoint exposed by the Simple Link Directory plugin and embeds a JavaScript payload in a reflected parameter. Delivery typically occurs through phishing emails, malicious advertisements, or social media links. When a WordPress administrator clicks the link while authenticated, the script runs with their privileges and can perform actions such as creating new admin users, modifying plugin settings, or exfiltrating cookies. Refer to the Patchstack WordPress Vulnerability Advisory for additional technical details.

Detection Methods for CVE-2025-48297

Indicators of Compromise

  • Web server access logs containing requests to Simple Link Directory endpoints with URL-encoded <script>, javascript:, onerror=, or onload= payloads
  • Unexpected outbound HTTP requests from administrator browser sessions to attacker-controlled domains immediately after visiting plugin pages
  • New WordPress administrator accounts or modified user roles created without a corresponding admin login event
  • Referer headers pointing to suspicious external domains preceding requests to /wp-admin/ resources

Detection Strategies

  • Inspect HTTP query strings and POST bodies sent to Simple Link Directory routes for HTML tags, event handlers, and JavaScript URI schemes
  • Deploy a Web Application Firewall (WAF) ruleset that flags reflected XSS patterns targeting WordPress plugin parameters
  • Correlate authenticated administrator browsing sessions with anomalous DOM modifications or unexpected privileged actions in WordPress audit logs

Monitoring Recommendations

  • Enable verbose access logging on the WordPress front-end and forward logs to a centralized analytics platform for query inspection
  • Monitor the WordPress users and usermeta tables for unauthorized changes to roles and capabilities
  • Alert on installation of new plugins, themes, or modifications to wp-config.php outside of approved change windows

How to Mitigate CVE-2025-48297

Immediate Actions Required

  • Update the Simple Link Directory plugin to a version later than 14.8.1 as soon as the vendor releases a patched release
  • Audit recent WordPress administrator activity, user accounts, and plugin installations for signs of compromise
  • Rotate administrator credentials and invalidate active sessions if exploitation is suspected

Patch Information

The NVD entry references the Patchstack WordPress Vulnerability Advisory for remediation guidance. Administrators should consult the advisory and the plugin's official WordPress.org page for the latest fixed version. The advisory tracks the affected range as n/a through < 14.8.1.

Workarounds

  • Deactivate and remove the Simple Link Directory plugin until a fixed version is installed
  • Deploy a WAF with reflected XSS signatures in front of the WordPress site to filter malicious query parameters
  • Enforce a strict Content Security Policy (CSP) that disallows inline scripts and restricts script sources to trusted origins
  • Restrict administrator access to dedicated browsers or workstations that do not handle untrusted email or links
bash
# Example Content Security Policy header to mitigate reflected XSS
Header set Content-Security-Policy "default-src 'self'; script-src 'self'; object-src 'none'; base-uri 'self'; frame-ancestors 'self'"

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

  • Vulnerability Details
  • TypeXSS

  • Vendor/TechSimple Link Directory

  • SeverityHIGH

  • CVSS Score7.1

  • EPSS Probability0.04%

  • Known ExploitedNo
  • CVSS Vector
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
  • Impact Assessment
  • ConfidentialityLow
  • IntegrityLow
  • AvailabilityLow
  • CWE References
  • CWE-79
  • Technical References
  • Patchstack WordPress Vulnerability Advisory
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