CVE-2023-49785

CRITICAL EXPLOITED NUCLEI

NextChat < 2.11.2 - Server-Side Request Forgery and Cross-Site Scripting

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2023-49785 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 1 public exploit from researchers including hyunnna. A Nuclei detection template is also available.

AI-analyzed exploit summary The repository contains only a minimal README with no exploit code or technical details. It lacks any functional PoC or analysis for CVE-2023-49785.

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.

Exploits (1)

nomisec STUB
by hyunnna · poc
https://github.com/hyunnna/NextChat_SSRF_CVE-2023-49785

The repository contains only a minimal README with no exploit code or technical details. It lacks any functional PoC or analysis for CVE-2023-49785.

Classification
Stub 90%
Attack Type
Ssrf
Complexity
Trivial
Reliability
Theoretical
Target: NextChat (version unspecified)
No auth needed
devstral-2 · analyzed Feb 19, 2026 Full analysis →

Nuclei Templates (1)

ChatGPT-Next-Web - SSRF/XSS
CRITICALVERIFIEDby high
Shodan: title:NextChat,"ChatGPT Next Web"

Scores

CVSS v3 9.1
EPSS 0.9044
EPSS Percentile 99.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

VulnCheck KEV 2024-04-06
CWE
CWE-918 CWE-79
Status published
Products (2)
nextchat/nextchat < 2.11.2
npm/nextchat 0npm
Published Mar 12, 2024
Tracked Since Feb 18, 2026