CVE-2025-11504 identifies a vulnerability classified under CWE-532 (Insertion of Sensitive Information into Log File) in the Quickcreator – AI Blog Writer plugin for WordPress, specifically in versions 0.0.9 through 0.1.17. The issue arises because the plugin writes sensitive information, namely its API key, into a publicly accessible log file located at /wp-content/plugins/quickcreator/dupasrala.txt. This file is accessible without authentication, allowing any remote attacker to retrieve the API key. Possession of this key enables attackers to perform unauthorized actions on the WordPress site, such as creating new posts or injecting cross-site scripting (XSS) payloads, which can lead to site defacement, phishing, or further exploitation of visitors. The vulnerability has a CVSS v3.1 base score of 7.5, reflecting high severity due to its network attack vector, no required privileges or user interaction, and high confidentiality impact. The integrity and availability impacts are rated as none, but the confidentiality breach alone is significant. No patches or fixes are currently linked, and no known exploits have been reported in the wild as of the publication date. The vulnerability was reserved and published in October 2025 by Wordfence. Given the plugin's role in content creation, exploitation could undermine the trustworthiness of affected websites and lead to reputational damage or regulatory scrutiny, especially under data protection laws.

For European organizations, this vulnerability poses a significant risk to website integrity and confidentiality. Unauthorized access to the API key can allow attackers to manipulate website content, potentially injecting malicious scripts that compromise visitors or spread misinformation. This can lead to reputational damage, loss of customer trust, and potential legal consequences under GDPR if personal data is indirectly exposed or if the site is used as a vector for further attacks. The vulnerability affects the confidentiality of sensitive credentials but does not directly impact system availability or integrity beyond content manipulation. Organizations relying on the Quickcreator plugin for content automation or blogging are at risk of unauthorized content creation or defacement. The ease of exploitation (no authentication or user interaction required) increases the likelihood of attacks, especially if the plugin is widely deployed. The absence of known exploits in the wild suggests proactive mitigation can prevent incidents. However, delayed patching or ignoring the issue could lead to targeted attacks, especially in sectors with high digital presence such as media, e-commerce, and public institutions.

1. Immediately restrict access to the /wp-content/plugins/quickcreator/dupasrala.txt file by configuring web server rules (e.g., .htaccess for Apache or location blocks for NGINX) to deny public access. 2. Remove or sanitize any sensitive information logged in files accessible via the web root. 3. Rotate the exposed API keys to invalidate any compromised credentials. 4. Monitor website content for unauthorized posts or injected scripts and remove any malicious content promptly. 5. Disable or uninstall the Quickcreator plugin if it is not essential until a patched version is released. 6. Regularly check for updates from the plugin vendor and apply patches as soon as they become available. 7. Implement web application firewalls (WAF) with rules to detect and block suspicious post creation or XSS payloads. 8. Conduct security audits of other plugins and custom code to ensure no similar sensitive information exposure exists. 9. Educate site administrators about the risks of exposing API keys and best practices for secure logging. 10. Use principle of least privilege for API keys, limiting their scope and permissions to minimize impact if compromised.