CVE-2025-67202 is identified as a medium-severity vulnerability affecting Sidekiq-cron, an open-source scheduling add-on for Sidekiq, through version 2.3.1. This vulnerability allows cross-site scripting (XSS) via a crafted URL rendered from cron.erb. The CVSS score of 6.1 indicates a moderate risk level, which should not be overlooked by organizations using this software.
Risk to organizations includes potential unauthorized access to sensitive information, which can be exploited through crafted URLs. Given the nature of XSS vulnerabilities, attackers may leverage this flaw to execute arbitrary scripts in the context of the affected user’s session, leading to data theft or further compromise.
As of now, there are no known exploits in the wild, and the vulnerability remains classified as awaiting analysis. However, organizations should not become complacent. The urgency for defenders is categorized as medium, and it is advisable to address the vulnerability in the upcoming patch cycle to mitigate potential risks.
Organizations should keep abreast of any updates regarding this CVE, especially as it pertains to official patches or workarounds. Continuous monitoring and assessment of the vulnerability landscape are critical to maintaining a robust security posture.
Vulnerability Details
The vulnerability is characterized by its ability to allow cross-site scripting (XSS) through crafted URLs. The CVSS 3.1 base score of 6.1 reflects a medium severity due to the low attack complexity and the requirement for user interaction. The attack vector is network-based, meaning an attacker can exploit this vulnerability from a remote location.
The confidentiality and integrity impacts are rated as low, while availability remains unaffected. The CWE classification for this vulnerability is CWE-79, which is specifically associated with improper neutralization of input during web page generation.
Technical Analysis
The root cause of CVE-2025-67202 stems from insufficient validation of user inputs within the cron.erb template. Attackers can exploit this vulnerability by injecting malicious scripts into URLs that are subsequently processed by the application. The attack complexity is deemed low, as it requires no privileges, but does necessitate user interaction to trigger the exploit.
Confidentiality and integrity impacts are low, indicating that while sensitive data may be exposed, it is not likely to lead to a complete system compromise. No additional privileges are required for an attacker to exploit this vulnerability, making it accessible to a wider range of potential attackers.
Risk & Impact Analysis
The real-world risk of this vulnerability can be significant, particularly for organizations that utilize Sidekiq-cron in critical processes. The blast radius is potentially wide, as the XSS vulnerability could allow attackers to impersonate users or manipulate web sessions, leading to unauthorized data access.
Organizations should evaluate their exposure to this vulnerability, especially if the affected component is integrated into web applications. The CVSS score of 6.1 suggests that while the threat is not immediately critical, it should be prioritized in the patch cycle to prevent future exploitation.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The vulnerability impacts all versions of Sidekiq-cron through 2.3.1. Users are advised to upgrade to version 2.4.0 or later, where the issue has been addressed.
Mitigation & Remediation
Organizations should prioritize patching by upgrading to Sidekiq-cron version 2.4.0 or later. In situations where an immediate update is not feasible, implementing input validation and sanitization measures can help mitigate the risk of XSS attacks.
For further security assurance, organizations may consider conducting a comprehensive security assessment, which may include application security assessments to identify potential vulnerabilities.
Detection Guidance
Security teams should monitor logs for unusual patterns related to URL handling and user input processing. Behavioral anomalies that deviate from normal operations may indicate attempts to exploit this vulnerability.
AppSecure Threat Intelligence Insight
CVE-2025-67202 represents a notable example of XSS vulnerabilities that often arise in web applications. This highlights the significance of implementing robust input validation mechanisms as a foundational security practice.
Security teams should learn from this incident to enhance their defensive strategies against similar vulnerabilities. Comprehensive vulnerability management programs are essential for ensuring timely detection and remediation of security weaknesses.
Moreover, organizations can benefit from engaging with services like penetration testing to proactively identify and address security gaps before they can be exploited.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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