Skip to main content

CVE-2023-6420: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Voovi Social Networking Script Voovi Social Networking Script

Medium
VulnerabilityCVE-2023-6420cvecve-2023-6420cwe-79
Published: Thu Nov 30 2023 (11/30/2023, 13:17:47 UTC)
Source: CVE Database V5
Vendor/Project: Voovi Social Networking Script
Product: Voovi Social Networking Script

Description

A vulnerability has been reported in Voovi Social Networking Script version 1.0 that allows a XSS via signup2.php in the emailadd parameter, the exploitation of which could allow a remote attacker to send a specially crafted JavaScript payload and partially take over the browser session of an authenticated user.

AI-Powered Analysis

AILast updated: 07/05/2025, 23:27:03 UTC

Technical Analysis

CVE-2023-6420 is a cross-site scripting (XSS) vulnerability identified in version 1.0 of the Voovi Social Networking Script, a web application platform used to create social networking sites. The vulnerability arises from improper neutralization of user-supplied input in the 'emailadd' parameter of the signup2.php script. Specifically, the application fails to adequately sanitize or encode this input before reflecting it back in the web page output, allowing an attacker to inject malicious JavaScript code. When an authenticated user interacts with a crafted link or page containing this payload, the malicious script executes in their browser context. This can lead to partial browser session takeover, such as stealing session cookies or performing actions on behalf of the user without their consent. The vulnerability is remotely exploitable without authentication but requires user interaction (e.g., clicking a malicious link). The CVSS v3.1 base score is 6.5 (medium severity), reflecting the network attack vector, low attack complexity, no privileges required, but user interaction needed. The impact is primarily on confidentiality, as the attacker can access sensitive session information, but integrity and availability are not directly affected. No known public exploits or patches are currently available, indicating the vulnerability is newly disclosed and may not yet be widely exploited. The vulnerability is classified under CWE-79, which covers improper input neutralization leading to XSS attacks.

Potential Impact

For European organizations using the Voovi Social Networking Script version 1.0, this vulnerability poses a significant risk to user data confidentiality and trust. Exploitation could allow attackers to hijack authenticated user sessions, potentially leading to unauthorized access to personal information, private communications, or administrative functions within the social networking platform. This could result in reputational damage, regulatory non-compliance (e.g., GDPR violations due to data breaches), and loss of user confidence. Since the vulnerability requires user interaction, phishing or social engineering campaigns could be used to lure users into triggering the exploit. Organizations operating social networking services or community platforms based on this script are particularly at risk. Additionally, the lack of available patches means the window of exposure remains open until mitigations or updates are applied. The medium severity rating suggests that while the threat is serious, it is not immediately critical, but should be addressed promptly to prevent escalation or chaining with other vulnerabilities.

Mitigation Recommendations

1. Immediate mitigation should include implementing strict input validation and output encoding on the 'emailadd' parameter in signup2.php to neutralize any injected scripts. Use context-aware encoding libraries to ensure all user inputs are safely handled before rendering in HTML. 2. Employ Content Security Policy (CSP) headers to restrict the execution of unauthorized scripts in the browser, reducing the impact of potential XSS payloads. 3. Educate users and administrators about phishing risks and encourage cautious behavior regarding unsolicited links or messages. 4. Monitor web application logs for suspicious requests targeting the vulnerable parameter to detect exploitation attempts early. 5. If possible, isolate or disable the vulnerable signup functionality temporarily until a patch or update is released by the vendor. 6. Engage with the vendor or community to request an official patch or update addressing this vulnerability. 7. Consider deploying Web Application Firewalls (WAFs) with custom rules to detect and block malicious payloads targeting the 'emailadd' parameter. 8. Regularly review and update all third-party components and scripts to ensure known vulnerabilities are remediated promptly.

Need more detailed analysis?Get Pro

Technical Details

Data Version
5.1
Assigner Short Name
INCIBE
Date Reserved
2023-11-30T10:02:17.021Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 683ffd67182aa0cae2a38848

Added to database: 6/4/2025, 8:01:43 AM

Last enriched: 7/5/2025, 11:27:03 PM

Last updated: 8/12/2025, 12:20:45 PM

Views: 12

Actions

PRO

Updates to AI analysis are available only with a Pro account. Contact root@offseq.com for access.

Please log in to the Console to use AI analysis features.

Need enhanced features?

Contact root@offseq.com for Pro access with improved analysis and higher rate limits.

Latest Threats