CVE-2024-31107 in OpenID Plugin
Summary
by MITRE • 04/01/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in DiSo Development Team OpenID allows Reflected XSS.This issue affects OpenID: from n/a through 3.6.1.
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Analysis
by VulDB Data Team • 04/09/2025
The CVE-2024-31107 vulnerability represents a critical cross-site scripting flaw in the DiSo Development Team OpenID implementation that enables attackers to execute malicious scripts in the context of victim browsers. This reflected XSS vulnerability occurs during the web page generation process when input parameters are not properly sanitized or neutralized before being rendered in web responses. The vulnerability specifically impacts versions of OpenID ranging from the initial release through 3.6.1, indicating a prolonged exposure window where systems could be compromised. The flaw resides in the improper handling of user-supplied input that gets reflected back to users without adequate security measures to prevent script execution. This type of vulnerability falls under CWE-79 which categorizes cross-site scripting as a fundamental web application security weakness, where improper input validation allows malicious code to be injected into web pages viewed by other users. The reflected nature of this XSS means that the malicious script is delivered to the victim through a crafted URL or request parameter that gets immediately reflected back by the web application without proper sanitization.
The operational impact of this vulnerability extends beyond simple script execution as it provides attackers with the capability to hijack user sessions, steal sensitive authentication tokens, or perform unauthorized actions on behalf of victims. When users interact with maliciously crafted URLs containing the XSS payload, their browsers execute the injected scripts which can capture cookies, redirect users to malicious sites, or modify the web page content to deceive users into revealing confidential information. The vulnerability particularly affects authentication flows within the OpenID framework where user credentials or session data might be exposed to attackers. Attackers can exploit this weakness by crafting malicious URLs that include script payloads in parameters such as redirect_uri, state, or other input fields that are reflected back to users. This creates a significant risk for organizations relying on OpenID for authentication, as successful exploitation could lead to complete account compromise and unauthorized access to protected resources. The vulnerability's presence in versions through 3.6.1 suggests that a substantial portion of deployments could be affected, making this a widespread concern for system administrators and security teams.
Mitigation strategies for CVE-2024-31107 should prioritize immediate patching of affected OpenID implementations to the latest available versions that contain proper input sanitization measures. Organizations must implement comprehensive input validation and output encoding mechanisms to neutralize potentially malicious content before it is processed or rendered in web responses. The implementation of Content Security Policy headers can provide an additional layer of protection by restricting the sources from which scripts can be executed, helping to prevent the execution of injected malicious code even if the primary input validation fails. Security teams should also conduct thorough code reviews focusing on all input handling mechanisms within the OpenID framework to identify and remediate similar vulnerabilities. Additionally, implementing proper logging and monitoring of authentication flows can help detect suspicious activities that may indicate exploitation attempts. The vulnerability aligns with ATT&CK technique T1531 which focuses on credential access through web application attacks, making it a critical concern for organizations that rely on web-based authentication systems. Regular security assessments and penetration testing should be conducted to verify that the implemented fixes are effective and that no similar vulnerabilities exist in related components of the authentication infrastructure.