CVE-2025-23738 in Ps Ads Pro Plugin
Summary
by MITRE • 03/03/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NotFound Ps Ads Pro allows Reflected XSS. This issue affects Ps Ads Pro: from n/a through 1.0.0.
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Analysis
by VulDB Data Team • 03/03/2025
This vulnerability represents a classic cross-site scripting flaw that specifically impacts the NotFound Ps Ads Pro plugin, creating a dangerous condition where malicious input can be executed within user browsers. The issue manifests as a reflected cross-site scripting vulnerability, meaning that an attacker can inject malicious scripts into web pages that are then reflected back to users who view those pages. The vulnerability exists in the web page generation process where input validation and sanitization mechanisms fail to properly neutralize user-supplied data before it is rendered in HTML output. This particular flaw affects all versions of the Ps Ads Pro plugin from the initial release through version 1.0.0, indicating that the developers did not implement proper input sanitization measures during the plugin's development lifecycle. The reflected nature of this XSS vulnerability means that the malicious script is typically injected through a URL parameter or form field, and when a victim clicks on a malicious link or submits a crafted form, the script executes in their browser context. This vulnerability directly maps to CWE-79 which defines the improper neutralization of input during web page generation as a critical weakness in web application security. The impact of this vulnerability extends beyond simple script execution as it can enable attackers to steal user sessions, deface websites, redirect users to malicious sites, or perform actions on behalf of authenticated users. According to ATT&CK framework, this vulnerability aligns with T1059.001 for command and script injection techniques and T1531 for credential access through web application vulnerabilities. The technical flaw stems from inadequate input validation and output encoding practices within the plugin's codebase, where user data is directly incorporated into dynamic web content without proper sanitization. The vulnerability occurs during the web page generation phase when the plugin processes user input and incorporates it into HTML output without implementing proper HTML escaping or encoding mechanisms. This creates a pathway for attackers to inject malicious JavaScript code that executes in the context of other users' browsers, potentially leading to session hijacking, data theft, or further exploitation. The attack vector is typically initiated through URL parameters or form inputs that are not properly validated or sanitized before being rendered in web pages. Security professionals should note that this vulnerability represents a fundamental flaw in the plugin's security architecture, where input handling processes fail to implement proper security controls that would prevent malicious data from being executed as code. The lack of input sanitization in the web page generation process creates a persistent risk that affects all users of the affected plugin versions. Organizations using this plugin should immediately implement mitigations including input validation, output encoding, and proper content security policies to prevent exploitation of this vulnerability. The vulnerability also highlights the importance of proper security testing during software development lifecycle, particularly in web application security testing that focuses on input validation and output encoding practices. This issue demonstrates how even seemingly simple plugins can introduce significant security risks when proper security controls are not implemented during development. The reflected XSS nature of the vulnerability means that exploitation requires user interaction with a malicious link, but once executed, the malicious script can operate with the privileges of the victim's browser session. The vulnerability's impact is particularly concerning as it allows for session hijacking and potential privilege escalation within the affected application environment. This vulnerability underscores the critical importance of implementing comprehensive security measures throughout the software development lifecycle, including proper input validation, output encoding, and regular security assessments. The issue serves as a reminder that web applications must treat all user input as potentially malicious and implement robust sanitization and encoding mechanisms to prevent code injection attacks. Organizations should consider implementing web application firewalls, content security policies, and regular security audits to protect against similar vulnerabilities in their web applications. The vulnerability also demonstrates the importance of keeping plugins and software up to date, as this issue affects all versions through 1.0.0, indicating that the developers did not address the security flaw in their release cycle. Proper security awareness training for developers is essential to prevent similar issues in future software releases, particularly in areas related to web application security and input handling practices. The vulnerability's classification as a reflected XSS attack means that it can be exploited through various attack vectors including email links, social media posts, or malicious advertisements that direct users to compromised pages. This makes it particularly dangerous in environments where users may be tricked into clicking malicious links, as the exploitation can occur without requiring any special privileges or complex attack infrastructure. The technical implementation of this vulnerability suggests that the plugin's developers failed to implement proper security controls during the design and development phases, highlighting the need for security by design principles in all software development processes.