CVE-2025-32211 in Broadstreet Plugin
Summary
by MITRE • 04/08/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Broadstreet Broadstreet allows Stored XSS. This issue affects Broadstreet: from n/a through 1.51.2.
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Analysis
by VulDB Data Team • 04/08/2025
This vulnerability represents a critical cross-site scripting flaw in the Broadstreet content management system that enables stored malicious scripts to persist and execute within user browsers. The weakness manifests during web page generation when the application fails to properly sanitize user input before incorporating it into dynamic web content. This improper neutralization creates an environment where attackers can inject malicious code that gets stored on the server and subsequently served to other users who view the affected pages. The vulnerability specifically impacts versions of Broadstreet ranging from an unknown starting point through version 1.51.2, indicating a significant attack surface that spans multiple releases. The stored nature of this XSS vulnerability means that malicious payloads remain active even after the initial injection, making it particularly dangerous as victims may encounter the exploit long after the initial compromise occurred.
The technical implementation of this flaw involves the application's failure to validate and sanitize user-supplied data before rendering it in web pages. When users submit content through various input fields or administrative interfaces, the system does not adequately filter or escape special characters that could be interpreted as HTML or JavaScript code. This allows attackers to inject malicious scripts that execute within the context of other users' browsers, potentially stealing session cookies, performing unauthorized actions, or redirecting users to malicious sites. The vulnerability's classification as stored XSS (CWE-079) indicates that the malicious input is permanently saved and executed, distinguishing it from reflected XSS attacks where the payload must be crafted for each individual request. This persistent nature makes the vulnerability particularly attractive to threat actors who can establish long-term footholds within affected systems.
The operational impact of this vulnerability extends beyond simple data theft or session hijacking to potentially enable full system compromise and lateral movement within affected networks. An attacker who successfully exploits this vulnerability can execute arbitrary code in the context of authenticated users, potentially gaining access to administrative functions, modifying content, or using the compromised system as a pivot point for attacking other network resources. The attack surface is particularly concerning given that Broadstreet is designed for content management and web publishing, meaning that any user with access to input fields could potentially become an attack vector. This vulnerability aligns with ATT&CK technique T1566.001 for initial access through malicious content and could facilitate subsequent techniques such as credential access and privilege escalation through session hijacking.
Organizations utilizing Broadstreet versions through 1.51.2 should prioritize immediate remediation through official patches provided by the vendor. The mitigation strategy should include comprehensive input validation and output encoding mechanisms to prevent malicious code injection. Security teams should implement web application firewalls with XSS detection capabilities and conduct thorough security testing to identify any additional vulnerabilities in the affected system. Regular security audits and penetration testing should be performed to ensure that similar input validation flaws do not exist in other components of the web application. The vulnerability demonstrates the critical importance of proper input sanitization and output encoding in preventing XSS attacks, aligning with industry best practices outlined in OWASP Top Ten and NIST guidelines for web application security. Organizations should also consider implementing content security policies and regular security awareness training for administrators to reduce the risk of successful exploitation.