ABCD ABCD2 buscar_integrada.php cross site scripting

Successful exploitation of CVE-2024-8411 allows an attacker to inject arbitrary JavaScript code into the web application. This code can then be executed in the context of a user's browser, potentially leading to session hijacking, defacement of the website, or theft of sensitive information like cookies and authentication tokens. The remote nature of the vulnerability means an attacker doesn't need local access to the system to exploit it. Given the public disclosure of the exploit, the risk of immediate exploitation is elevated.

Organizations using ABCD ABCD2 in web applications, particularly those relying on the /buscar_integrada.php file for integrated search functionality, are at risk. Shared hosting environments where multiple users share the same instance of ABCD ABCD2 are also particularly vulnerable, as an attacker could potentially compromise other users through this vulnerability.

• php / web: Examine access logs for requests to /buscarintegrada.php with unusual or obfuscated values in the SubExpresion parameter.

grep 'buscar_integrada.php.*Sub_Expresion=' /var/log/apache2/access.log

• php / web: Search for suspicious JavaScript code within the application's codebase, particularly around the handling of the Sub_Expresion parameter. • generic web: Monitor browser developer console for unexpected JavaScript execution originating from /buscar_integrada.php.

1. 2024-09-04Disclosure

   disclosure

1. Réservé2024-09-04
2. Publiée2024-09-04
3. Modifiée2026-02-26
4. EPSS mis à jour2026-04-02

The primary mitigation for CVE-2024-8411 is to upgrade to a version of ABCD ABCD2 greater than 2.2.0-beta-1, as the developer has indicated a complete redesign of the vulnerable script in later releases. If an immediate upgrade is not feasible, consider implementing input validation and sanitization on the SubExpresion parameter within /buscarintegrada.php to prevent malicious code injection. Web application firewalls (WAFs) configured to detect and block XSS payloads can also provide a temporary layer of protection. After upgrading, confirm the vulnerability is resolved by attempting to inject a simple JavaScript payload into the Sub_Expresion parameter and verifying that it is not executed.