CVE-2023-48320 in SpiderVPlayer Plugin
Summary
by MITRE • 11/30/2023
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WebDorado SpiderVPlayer allows Stored XSS.This issue affects SpiderVPlayer: from n/a through 1.5.22.
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Analysis
by VulDB Data Team • 12/21/2023
The vulnerability identified as CVE-2023-48320 represents a critical cross-site scripting weakness within the WebDorado SpiderVPlayer software ecosystem. This flaw manifests as an improper neutralization of input during web page generation, creating a pathway for malicious actors to inject persistent script code into web applications. The vulnerability specifically impacts versions of SpiderVPlayer ranging from an unspecified initial version through 1.5.22, indicating a substantial attack surface that spans multiple iterations of the software. The stored nature of this XSS vulnerability means that malicious scripts are not only executed during the initial injection but are permanently stored within the application's database or server-side components, making them persistent threats that can affect multiple users over time.
The technical implementation of this vulnerability stems from insufficient validation and sanitization of user-supplied input that is subsequently rendered in web pages without proper encoding or escaping mechanisms. When users interact with the SpiderVPlayer application, particularly when submitting content or configuration parameters that are then displayed to other users, the application fails to adequately process these inputs to prevent script execution. This weakness directly maps to CWE-79, which defines Cross-Site Scripting as a condition where an application incorporates untrusted data into web pages without proper validation or encoding, allowing attackers to execute scripts in the context of other users' browsers. The vulnerability creates a persistent threat vector where malicious code can be stored in the application's backend and executed whenever legitimate users access affected pages, potentially compromising user sessions, stealing sensitive information, or redirecting users to malicious domains.
The operational impact of this vulnerability extends beyond simple script execution, as it creates a persistent backdoor for attackers to maintain long-term access to affected systems. When exploited, the stored XSS vulnerability enables threat actors to perform session hijacking, steal cookies, perform unauthorized actions on behalf of users, and potentially escalate privileges within the application. The persistent nature of the vulnerability means that once an attacker successfully injects malicious code, it will continue to execute against all users who view the affected content until the vulnerability is patched and the malicious payloads are removed from the system. This makes the vulnerability particularly dangerous in environments where the SpiderVPlayer application serves as a critical component of web-based content delivery or media processing platforms, as it can compromise the security of entire user bases. The vulnerability also aligns with ATT&CK technique T1059.001, which covers command and scripting interpreter, as the stored scripts can be used to execute arbitrary commands or establish persistent access to compromised systems.
Mitigation strategies for CVE-2023-48320 must focus on immediate patching of affected versions and implementation of comprehensive input validation measures. Organizations should prioritize updating to the latest version of SpiderVPlayer that addresses this vulnerability, while also implementing proper output encoding and content security policies to prevent future instances of similar flaws. The remediation process should include thorough input sanitization of all user-supplied data, implementation of proper HTML escaping mechanisms, and enforcement of strict content security policies that prevent script execution in user-generated content. Additionally, organizations should conduct comprehensive security assessments of their web applications to identify other potential XSS vulnerabilities and implement automated scanning tools to detect similar issues in their codebases. The vulnerability demonstrates the critical importance of secure coding practices and input validation in preventing persistent security threats that can compromise entire user bases over extended periods of time.