CVE-2020-13892 in SportsPress Plugin
Summary
by MITRE
The SportsPress plugin before 2.7.2 for WordPress allows XSS.
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Analysis
by VulDB Data Team • 06/10/2020
The CVE-2020-13892 vulnerability represents a cross-site scripting flaw in the SportsPress plugin for WordPress systems, affecting versions prior to 2.7.2. This security weakness arises from inadequate input validation and output escaping mechanisms within the plugin's codebase, creating an exploitable condition that enables malicious actors to inject arbitrary web scripts into web pages viewed by other users. The vulnerability specifically impacts the plugin's handling of user-supplied data, particularly in contexts where sports-related information is displayed on websites. The flaw allows attackers to execute malicious scripts in the context of a victim's browser session, potentially leading to unauthorized actions performed on behalf of users. This type of vulnerability falls under the category of CWE-79 - Improper Neutralization of Input During Web Page Generation, which is a fundamental weakness in web application security that directly enables XSS attacks.
The technical implementation of this vulnerability occurs when the SportsPress plugin fails to properly sanitize or escape user-provided content before rendering it in web pages. Attackers can exploit this by submitting malicious payloads through various input fields within the plugin's interface, such as team names, player information, event descriptions, or other editable content areas. When these malicious inputs are subsequently displayed on public-facing web pages, the embedded scripts execute in the browsers of unsuspecting visitors, potentially stealing session cookies, redirecting users to malicious sites, or performing other harmful actions. The vulnerability is particularly concerning because it affects a widely used sports management plugin, meaning that compromised websites could be used as attack vectors for broader security breaches. According to ATT&CK framework category T1566, this represents a technique for Initial Access through the exploitation of web application vulnerabilities, while the specific execution method aligns with T1059.007 for script-based command execution.
The operational impact of CVE-2020-13892 extends beyond simple script injection, as it can facilitate more sophisticated attacks that compromise entire web applications or user accounts. When exploited successfully, this vulnerability enables attackers to hijack user sessions, modify content on affected websites, or redirect users to phishing sites designed to capture credentials. The widespread adoption of SportsPress across various websites means that a single compromised installation could serve as a launching point for coordinated attacks against multiple organizations or individuals. The vulnerability affects both administrators and regular website visitors, creating a broad attack surface that could be leveraged for various malicious purposes including data theft, reputation damage, or as part of larger attack campaigns. Organizations running vulnerable versions of the plugin face significant risk of unauthorized access to their web properties and potential compromise of user data, particularly in environments where user-generated content is common. The attack vector typically requires minimal technical expertise to exploit, making it particularly dangerous for widespread deployment in targeted campaigns.
The recommended mitigation strategy for CVE-2020-13892 involves immediate upgrading to SportsPress version 2.7.2 or later, which contains the necessary patches to address the XSS vulnerability. System administrators should also implement additional security measures including input validation, output escaping, and content security policies to reduce the potential impact of similar vulnerabilities. Regular security audits and monitoring of plugin updates are essential practices that help maintain the security posture of WordPress installations. Organizations should also consider implementing web application firewalls and security headers to provide additional layers of protection against XSS attacks. The vulnerability serves as a reminder of the importance of keeping all web application components updated, as outdated plugins represent one of the most common attack vectors in web application security breaches. According to industry best practices, maintaining an inventory of all installed plugins and themes, along with regular security assessments, helps prevent exploitation of known vulnerabilities like CVE-2020-13892. Security teams should also implement automated monitoring solutions that can detect and alert on suspicious activities related to web application exploitation attempts, particularly those targeting known vulnerabilities in popular plugins and frameworks.