CVE-2025-46383: Cross-Site Scripting Vulnerability Discovered
A cross-site scripting (XSS) vulnerability, identified as CVE-2025-46383, has been discovered. This flaw could allow attackers to inject malicious scripts into web pages viewed by other users. This can lead to various attacks, including session hijacking, defacement, or redirection to malicious sites. Here's what you need to know.
Vulnerability Details
- CVE ID: CVE-2025-46383
- Description: Improper neutralization of input during web page generation allows for cross-site scripting (XSS) attacks.
- CVSS Score: 6.1 (Medium)
- CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CVSS Explanation:
- AV:N (Network): The vulnerability is exploitable over the network.
- AC:L (Low): The attack doesn't require unusual effort.
- PR:N (None): No privileges are required to perform the attack.
- UI:R (Required): User interaction is required (e.g., clicking a malicious link).
- S:C (Changed): The scope of the attack changes; an attacker can execute code in the context of another user.
- C:L (Low): Limited compromise of information confidentiality.
- I:L (Low): Limited compromise to integrity.
- A:N (None): No impact to availability.
- Exploit Requirements: An attacker needs to entice a user to click a malicious link or visit a compromised page.
- Affected Vendor, Product, Version: Details of specific affected products and versions are currently unavailable. Monitor vendor advisories for updates.
- CWE: CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS)
Timeline of Events
- 2025-07-20: CVE ID assigned and vulnerability disclosed.
- [Future Date]: Potential vendor patch release.
Exploitability & Real-World Risk
This XSS vulnerability poses a significant risk if exploited. An attacker could inject malicious JavaScript into a web page, which would then be executed in the browser of anyone who visits that page. This can be used to steal cookies, redirect users to phishing sites, or even deface the website. The fact that no privileges are needed and the attack complexity is low makes this vulnerability especially dangerous.
Recommendations
To mitigate the risk posed by CVE-2025-46383, consider the following recommendations:
- Apply Patches: Immediately apply any security patches released by the affected vendor.
- Input Validation: Implement robust input validation and sanitization to prevent malicious scripts from being injected into web pages.
- Content Security Policy (CSP): Implement a strict Content Security Policy (CSP) to control the resources that the browser is allowed to load, reducing the impact of XSS attacks.
- Educate Users: Educate users about the risks of clicking on suspicious links or visiting untrusted websites.
Technical Insight
XSS vulnerabilities typically occur when a web application doesn't properly sanitize user-supplied input before displaying it on a web page. This allows an attacker to inject malicious JavaScript code, which can then be executed by other users who visit the page. Proper encoding and output escaping are crucial to preventing XSS attacks.
Credit to Researcher(s)
This vulnerability was reported via the Israeli National Cyber Directorate (INCD).
References
Tags
XSS, CVE-2025-46383, Cross-Site Scripting, Security Vulnerability, Web Security
Summary: A cross-site scripting (XSS) vulnerability, CVE-2025-46383, has been identified. Attackers can inject malicious scripts into web pages, potentially leading to data theft or website defacement. Apply security patches and implement robust input validation to mitigate the risk.
CVE ID: CVE-2025-46383
Risk Analysis: Successful exploitation of this vulnerability could lead to session hijacking, defacement of the website, or redirection of users to malicious websites. This can result in loss of user data, damage to the website's reputation, and potential financial losses.
Recommendation: Apply security patches as soon as they are released by the vendor. Implement robust input validation and sanitization to prevent malicious scripts from being injected into web pages. Consider implementing a Content Security Policy (CSP) to further mitigate the risk of XSS attacks.
Timeline
- 2025-07-20: CVE-2025-46383 assigned and vulnerability disclosed.