CVE-2025-23783 is a medium-severity vulnerability classified as a Cross-site Scripting (XSS) issue affecting the Greek Namedays Widget from Eortologio.Net. This vulnerability allows improper neutralization of input during web page generation, leading to stored XSS. The vulnerability impacts confidentiality, integrity, and availability to a low degree. The CVSS score for this vulnerability is 6.5, indicating a medium level of severity.
Risk to organizations includes potential unauthorized access to sensitive information, which could be misused by attackers. Given that this vulnerability allows stored XSS, it may lead to further exploitation within the affected application. Organizations should prioritize patching this vulnerability as it poses a risk to their web applications.
As of now, there are no known exploits publicly available, and the vulnerability is not listed in the Known Exploited Vulnerabilities (KEV) catalog. However, the potential for exploitation remains, and organizations are urged to stay vigilant. Organizations should address this vulnerability in their priority patch cycle.
In summary, organizations using the Greek Namedays Widget should take immediate action to mitigate this vulnerability. Regular updates and patching should be part of the organization's security practices.
Vulnerability Details
The CVE-2025-23783 vulnerability is characterized as a Cross-site Scripting (XSS) issue, specifically affecting the Greek Namedays Widget from Eortologio.Net. The issue allows for Stored XSS, which can significantly impact users who interact with the affected application.
The CVSS version 3.1 score is 6.5, categorized within the medium severity range. The attack vector is network-based, indicating that an attacker can exploit this vulnerability remotely. The attack complexity is low, and it requires low privileges for exploitation. User interaction is required, highlighting the need for users to engage with the affected component.
The vulnerability has a CWE classification of CWE-79, which pertains to improper neutralization of input during web page generation. This classification underscores the nature of the vulnerability as it relates to web application security.
Technical Analysis
The root cause of the CVE-2025-23783 vulnerability stems from improper handling of user input within the Greek Namedays Widget. The widget fails to adequately sanitize input before rendering it on web pages, allowing attackers to inject malicious scripts that can be executed in the context of the user's browser.
Attackers may leverage this vulnerability through a network-based attack, where they can send crafted malicious input to the application. The complexity of the attack is low, meaning that an attacker does not need sophisticated skills to exploit the vulnerability. In addition, it requires low privileges, making it accessible to potential attackers.
User interaction is required to trigger the exploitation of the vulnerability, as the malicious scripts need to be executed in the context of a user's session. The impacts on confidentiality, integrity, and availability are classified as low, indicating that while the risks exist, they may not result in immediate catastrophic failures.
Risk & Impact Analysis
The real-world deployment risk associated with CVE-2025-23783 is significant, particularly for organizations utilizing the Greek Namedays Widget. Attackers may exploit this vulnerability to perform unauthorized actions, leading to data leakage or session hijacking, which could have a considerable impact on affected users.
This vulnerability matters to organizations because it highlights the importance of input validation and sanitization in web applications. The potential blast radius includes any user interacting with the widget, making it crucial for organizations to ensure their applications are secure.
Given the CVSS score of 6.5 and the lack of known exploits, organizations should assess the urgency of addressing this vulnerability. It is advisable to include it in the priority patch cycle, ensuring that the widget is updated to mitigate the risks associated with this vulnerability.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The Greek Namedays Widget is affected by this vulnerability from versions prior to the vendor patch dated November 13, 2019. Organizations using this widget should ensure that they are running an updated version to mitigate potential risks associated with the vulnerability.
Mitigation & Remediation
Organizations should prioritize patching this vulnerability immediately. Upgrading to the latest version of the Greek Namedays Widget from Eortologio.Net is crucial for remediation. If a patch is unavailable, organizations can consider workarounds such as implementing additional input validation and sanitization measures.
For further guidance, organizations can explore our penetration testing services to identify similar weaknesses in their web applications.
Detection Guidance
To detect potential exploitation of this vulnerability, organizations should monitor log indicators for unusual input patterns and any attempts to inject scripts into user inputs. Behavioral anomalies within the application, along with network signatures corresponding to XSS attacks, should also be observed carefully. Regular audits of system changes related to the Greek Namedays Widget can help identify any unauthorized modifications.
AppSecure Threat Intelligence Insight
CVE-2025-23783 highlights ongoing challenges in web application security, especially regarding input handling and user interaction. This incident underlines the necessity for security teams to implement robust input validation and regularly review their applications for vulnerabilities. The low EPSS score indicates a lower probability of exploitation in the wild, yet the potential impact remains a concern.
Security teams should consider this vulnerability as a lesson for future application development and testing practices. Ensuring that security testing is integrated into the development lifecycle is crucial. For more insights on application security, our application security assessment services can provide valuable support.
Organizations are encouraged to stay informed about vulnerabilities and trends to proactively manage their security posture. Engaging in ongoing education and utilizing the right tools can enhance overall security. For further understanding of penetration testing methodologies, consider exploring our penetration testing methodology resources.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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