Platform
php
Component
wenqin.webray.com.cn
Fixed in
1.0.1
CVE-2023-6313 is a cross-site scripting (XSS) vulnerability affecting SourceCodester URL Shortener versions 1.0 through 1.0. This flaw allows attackers to inject malicious scripts into the application, potentially compromising user sessions and data. A fix is available in version 1.0.1, and the vulnerability has been publicly disclosed.
Successful exploitation of CVE-2023-6313 allows an attacker to execute arbitrary JavaScript code within the context of a user's browser session. This can lead to various malicious actions, including stealing session cookies, redirecting users to phishing sites, or defacing the website. The impact is amplified if the URL Shortener is used to redirect a large number of users, as a single successful attack could affect many individuals. The Long URL Handler functionality is the specific point of vulnerability, making it crucial to understand how URLs are processed and validated within the application.
CVE-2023-6313 has been publicly disclosed and a proof-of-concept may be available. The vulnerability was reported on 2023-11-27 and assigned VDB-246139. The CVSS score is LOW (3.5), indicating a relatively low probability of exploitation in most environments, but the public disclosure increases the risk. No active exploitation campaigns have been publicly confirmed at this time.
Exploit Status
EPSS
0.11% (29% percentile)
CVSS Vector
The primary mitigation for CVE-2023-6313 is to upgrade to SourceCodester URL Shortener version 1.0.1 or later, which contains the necessary fix. If upgrading is not immediately feasible, consider implementing input validation and output encoding on the Long URL Handler functionality to sanitize user-supplied data. Web application firewalls (WAFs) configured to detect and block XSS payloads can also provide a temporary layer of protection. After upgrading, confirm the fix by attempting to inject a simple XSS payload (e.g., <script>alert(1)</script>) through the Long URL Handler and verifying that it is properly neutralized.
Update to a patched version or discontinue use of the software. Because no fixed version is available, mitigation involves uninstalling or implementing additional security measures, such as user input sanitization to prevent XSS attacks.
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CVE-2023-6313 is a cross-site scripting (XSS) vulnerability in SourceCodester URL Shortener versions 1.0–1.0, affecting the Long URL Handler functionality, allowing attackers to inject malicious scripts.
You are affected if you are using SourceCodester URL Shortener version 1.0. Upgrade to version 1.0.1 or later to mitigate the risk.
Upgrade to version 1.0.1 or later. As a temporary measure, implement input validation and output encoding on the Long URL Handler.
While no active exploitation campaigns have been publicly confirmed, the vulnerability has been publicly disclosed and a proof-of-concept may be available, increasing the risk.
Refer to the SourceCodester website or relevant security advisories for the official advisory regarding CVE-2023-6313.
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