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CVE-2023-49785— NextChat vulnerable to Server-Side Request Forgery and Cross-site Scripting

Quick assessment

Affected
ChatGPTNextWeb NextChat
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

NextChat是一个用于快速部署私人 ChatGPT 网页应用的项目。 NextChat 2.11.2及之前版本存在安全漏洞，该漏洞源于存在服务器请求伪造（SSRF）和跨站脚本(XSS)漏洞。攻击者可利用该漏洞对内部HTTP端点进行读取访问等操作。

CVSS 9.1 · Critical EPSS 83.16% · P100

Public Exploits 1

Nuclei · 1 CVE-2023-49785.yaml [template]
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I. Basic Information for CVE-2023-49785

Vulnerability Information
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Vulnerability Title
NextChat vulnerable to Server-Side Request Forgery and Cross-site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
NextChat 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NextChat是一个用于快速部署私人 ChatGPT 网页应用的项目。 NextChat 2.11.2及之前版本存在安全漏洞，该漏洞源于存在服务器请求伪造（SSRF）和跨站脚本(XSS)漏洞。攻击者可利用该漏洞对内部HTTP端点进行读取访问等操作。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
ChatGPTNextWeb NextChat 0 ~ 2.11.2 -

II. Public POCs for CVE-2023-49785

# POC Description Source Link Shenlong Link
1 Full-Read SSRF/XSS in NextChat, aka ChatGPT-Next-Web https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-49785.yaml POC Details
2 None https://github.com/hyunnna/NextChat_SSRF_CVE-2023-49785 POC Details
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III. Intelligence Information for CVE-2023-49785

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Other References for CVE-2023-49785 (2)

IV. Related Vulnerabilities

Same product: NextChat
Same vendor: ChatGPTNextWeb
Same weakness: CWE-918

V. Comments for CVE-2023-49785

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