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critical·Product Based Web Vulnerabilities·Updated Oct 8, 2024

CVE-2023-49785 Scanner

CVE-2023-49785 Scanner - Server-Side-Request-Forgery (SSRF), Cross-Site Scripting (XSS) vulnerability in ChatGPT-Next-Web

Est. Time~1 minutes
Scan TypeSingle Scan
Targetsurl
CostFree
3.3k
Times Used
continuous scan runs
5.8k
Continuously Checked
assets under CS
0
Vulnerabilities Found
confirmed findings
References
CVECVE-2023-49785
9.1
CVSScritical
Exploitable remotely over the internet · no authentication required.

NextChat, also known as ChatGPT-Next-Web, is a cross-platform chat user interface for use with ChatGPT. Versions 2.11.2 and prior are vulnerable to server-side request forgery and cross-site scripting. This vulnerability enables read access to internal HTTP endpoints but also write access using HTTP POST, PUT, and other methods. Attackers can also use this vulnerability to mask their source IP by forwarding malicious traffic intended for other Internet targets through these open proxies. As of time of publication, no patch is available, but other mitigation strategies are available. Users may avoid exposing the application to the public internet or, if exposing the application to the internet, ensure it is an isolated network with no access to any other internal resources.

Attack Vector
Network
Privileges Req.
None
User Interaction
None
Affected
NextChatby ChatGPTNextWeb
0
nextchatby chatgptnextweb
0
Updated Sep 10, 2026View on NVD →
Detail

ChatGPT-Next-Web is a sophisticated AI-based chatbot platform widely used by businesses and individuals for real-time communication. It allows users to integrate AI chat capabilities into various web applications, enhancing user interaction through natural language processing. Organizations employ this software to automate customer service responses, streamline internal communications, and engage website visitors. The software’s versatility makes it valuable across industries like e-commerce, customer service, and tech support. ChatGPT-Next-Web helps improve efficiency by reducing human workload, thereby enabling faster and more precise responses to user queries. The platform’s integration capabilities ensure it can be customized to fit specific organizational needs.

The identified vulnerabilities, Server-Side Request Forgery (SSRF) and Cross-Site Scripting (XSS), are critical security risks in web applications like ChatGPT-Next-Web. SSRF allows an attacker to induce the server-side application to make HTTP requests to an arbitrary domain of the attacker’s choosing, potentially exposing sensitive data or services. XSS exploits the trust a user has in a particular site, enabling the execution of malicious scripts in the user's browser, leading to data theft or session hijacking. These vulnerabilities, if exploited, can derail the integrity of communication platforms by enabling unauthorized data access and manipulation. As ChatGPT-Next-Web is used for sensitive communications, its exploitation could have severe consequences for confidentiality and trust.

The SSRF and XSS vulnerabilities in ChatGPT-Next-Web manifest through improper validation and sanitization of user inputs. The vulnerable endpoint, which performs external resource loading, fails to restrict the destination of requests appropriately, leading to SSRF. The XSS arises through failure to escape user inputs properly, allowing an attacker to inject and execute scripts. In technical terms, this can be observed in HTTP responses where attacker-controlled scripts execute, revealing sensitive domain details. These vulnerabilities create opportunities for attackers to interact with internal services or execute illicit scripts, making them potent vectors for large-scale attacks.

Exploiting these vulnerabilities can have dire consequences, such as unauthorized access to sensitive data, executing unauthorized commands on behalf of the application, and spreading malicious payloads. Attackers could use SSRF to pivot into internal networks, bypassing firewalls and accessing restricted areas. Through XSS, attackers may execute scripts in users' browsers, leading to theft of session tokens and confidential data. Over time, such security flaws could erode user confidence and result in significant reputational damage for organizations depending on ChatGPT-Next-Web for secure communications. Furthermore, there is the potential for financial losses stemming from data breaches or compliance violations.

REFERENCES

Solution Advice
  • Regularly update ChatGPT-Next-Web to ensure the latest security patches are applied.
  • Use web application firewalls (WAF) to detect and block suspicious requests.
  • Implement strict input validation and output encoding to mitigate XSS.
  • Restrict network egress and ingress, and review server accessibility to internal resources.
  • Conduct periodic security assessments and penetration tests to identify potential vulnerabilities.

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CVE-2023-49785 Scanner - Server-Side-Request-Forgery (SSRF), Cross-Site Scripting (XSS) vulnerability in ChatGPT-Next-Web | S4E