CVE-2025-8481 in Blog Designer for Elementor Plugin
Summary
by MITRE • 09/11/2025
The Blog Designer For Elementor – Post Slider, Post Carousel, Post Grid plugin for WordPress is vulnerable to Cross-Site Request Forgery in version 1.1.7. This is due to missing or incorrect nonce validation on the bdfe_install_activate_rswpbs_only function. This makes it possible for unauthenticated attackers to install the 'rs-wp-books-showcase' plugin via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
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Analysis
by VulDB Data Team • 09/11/2025
The vulnerability identified as CVE-2025-8481 affects the Blog Designer For Elementor plugin for WordPress, specifically targeting version 1.1.7 which contains a critical cross-site request forgery weakness. This flaw exists within the bdfe_install_activate_rswpbs_only function where nonce validation is either missing or improperly implemented, creating a significant security gap that can be exploited by unauthenticated attackers. The vulnerability stems from the plugin's failure to properly verify the authenticity of requests attempting to install additional components, particularly the 'rs-wp-books-showcase' plugin.
The technical implementation of this vulnerability allows attackers to craft malicious requests that appear legitimate to the WordPress administration interface. When an administrator inadvertently triggers these forged requests through actions like clicking on malicious links, the system processes the installation without proper authentication verification. This represents a classic csrf attack vector where the attacker leverages the administrator's existing authenticated session to perform unauthorized actions. The vulnerability directly maps to CWE-352, which specifically addresses Cross-Site Request Forgery weaknesses in software applications. The flaw demonstrates poor input validation and insufficient request verification mechanisms that are fundamental requirements for secure web application development.
The operational impact of this vulnerability extends beyond simple privilege escalation as it creates a potential attack pathway for malicious actors to install arbitrary plugins on vulnerable WordPress sites. Once the 'rs-wp-books-showcase' plugin is installed, attackers gain access to additional attack surface that could include further exploitation vectors, data exfiltration capabilities, or backdoor installation. This vulnerability particularly affects WordPress environments where administrators frequently browse external sites or receive phishing emails, as the attack requires only a single click from an administrator to succeed. The risk is amplified because the plugin targets the Elementor page builder ecosystem, which is widely used and often integrated with other security-critical site components.
Mitigation strategies for this vulnerability should prioritize immediate patching of the affected plugin to version 1.1.8 or later where the nonce validation has been properly implemented. System administrators should also implement additional security measures including enabling two-factor authentication for administrator accounts, restricting administrative privileges to trusted IP addresses, and monitoring for unauthorized plugin installations. The remediation process should involve thorough security audits of all installed plugins to identify similar nonce validation issues, as this vulnerability type commonly affects multiple components within WordPress ecosystems. Organizations should also consider implementing web application firewalls that can detect and block suspicious csrf patterns, and establish regular security scanning procedures to identify similar vulnerabilities across their web infrastructure. This vulnerability serves as a reminder of the critical importance of proper nonce implementation in WordPress plugins and aligns with ATT&CK technique T1211 which covers the exploitation of weaknesses in web applications through csrf attacks.