{"cve":"CVE-2023-49785","nvd":{"published":"2024-03-12T00:15:26.383","modified":"2026-06-17T06:36:27.683","status":"Analyzed","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-79","CWE-918"],"references":["https://github.com/ChatGPTNextWeb/ChatGPT-Next-Web","https://www.horizon3.ai/attack-research/attack-blogs/nextchat-an-ai-chatbot-that-lets-you-talk-to-anyone-you-want-to/","https://github.com/ChatGPTNextWeb/ChatGPT-Next-Web","https://github.com/ChatGPTNextWeb/ChatGPT-Next-Web/issues/4283","https://github.com/ChatGPTNextWeb/ChatGPT-Next-Web/pull/4285"],"products":["nextchat:nextchat"],"source":"nvd","synced_at":"2026-10-19T21:46:54.846886191+00:00"},"epss":{"cve":"CVE-2023-49785","score":0.83163,"percentile":0.99676,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-qf3q-9f3h-cjp9","url":"https://osv.dev/vulnerability/GHSA-qf3q-9f3h-cjp9","summary":"NextChat has full-read SSRF and XSS vulnerability in /api/cors endpoint","modified":"2024-08-05T21:58:56.944712Z","packages":[{"ecosystem":"npm","name":"nextchat","purl":"pkg:npm/nextchat","ranges":["<=2.11.2"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}