Vulnerability database
Every flaw the U.S. government’s cybersecurity agency (CISA) has confirmed attackers are using, plus the new WordPress plugin and theme bugs published each day, sorted by what they mean for a small business. We refresh it twice a day. If you see something your website or office runs, tell us.
11 results
Oct 27, 2026NextChat version 2.16.1 contains a client‑side cross‑site scripting (XSS) vulnerability in the Plugin Editor due to unsafe rendering of externally supplied OpenCVE-2026-118132 · Other software · NextChat · reported by cret@cert.org
NextChat version 2.16.1 contains a client‑side cross‑site scripting (XSS) vulnerability in the Plugin Editor due to unsafe rendering of externally supplied OpenAPI plugin schema content. When a plugin schema is loaded from a remote URL, the returned content is stored in plugin.content and later rendered using React’s dangerouslySetInnerHTML without proper sanitization. An attacker can host a malicious OpenAPI schema containing HTML or JavaScript markup and trick a user into loading it through the Plugin Editor, resulting in arbitrary JavaScript execution in the NextChat origin. Successful exploitation allows access to JavaScript‑readable cookies and other client‑side data associated with the NextChat application.
- Product
- NextChat
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Oct 5, 2026A flaw has been found in ChatGPTNextWeb NextChat up to 2.16.1.CVE-2026-105238 · Other software · ChatGPTNextWeb · reported by VulDBMedium 5.5
A flaw has been found in ChatGPTNextWeb NextChat up to 2.16.1. This vulnerability affects the function proxyHandler of the file app/api/proxy.ts of the component Proxy Fallback Handler. This manipulation of the argument x-base-url causes server-side request forgery. It is possible to initiate the attack remotely. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.
- Product
- NextChat
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Aug 30, 2026NextChat versions from 2.15.8 through 2.16.1 contain an improper URL validation vulnerability in the proxy endpoint that allows attackers to obtain the server'sCVE-2026-82639 · Other software · ChatGPTNextWeb · reported by VulnCheckHigh 8.7
NextChat versions from 2.15.8 through 2.16.1 contain an improper URL validation vulnerability in the proxy endpoint that allows attackers to obtain the server's OpenAI API key. The x-base-url header is validated using substring matching instead of hostname parsing, allowing any URL containing 'api.openai.com' to pass validation and receive the server's credentials in the Authorization header.
- Product
- NextChat
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
May 2, 2026A vulnerability has been found in ChatGPTNextWeb NextChat up to 2.16.1.CVE-2026-7644 · Other software · ChatGPTNextWeb · reported by VulDBMedium 5.5
A vulnerability has been found in ChatGPTNextWeb NextChat up to 2.16.1. Affected is the function addMcpServer of the file app/mcp/actions.ts. The manipulation leads to improper authorization. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
- Product
- NextChat
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
May 2, 2026A flaw has been found in ChatGPTNextWeb NextChat up to 2.16.1.CVE-2026-7643 · Other software · ChatGPTNextWeb · reported by VulDBLow 2.1
A flaw has been found in ChatGPTNextWeb NextChat up to 2.16.1. This impacts an unknown function of the file Next.js of the component API Endpoint. Executing a manipulation can lead to permissive cross-domain policy with untrusted domains. The attack may be launched remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
- Product
- NextChat
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Apr 27, 2026A weakness has been identified in ChatGPTNextWeb NextChat up to 2.16.1.CVE-2026-7178 · Other software · ChatGPTNextWeb · reported by VulDBMedium 5.5
A weakness has been identified in ChatGPTNextWeb NextChat up to 2.16.1. This affects the function storeUrl of the file app/api/artifacts/route.ts of the component Artifacts Endpoint. This manipulation of the argument ID causes server-side request forgery. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
- Product
- NextChat
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordgist.github.comgithub.com
Apr 27, 2026A security flaw has been discovered in ChatGPTNextWeb NextChat up to 2.16.1.CVE-2026-7177 · Other software · ChatGPTNextWeb · reported by VulDBMedium 5.5
A security flaw has been discovered in ChatGPTNextWeb NextChat up to 2.16.1. Affected by this issue is the function proxyHandler of the file app/api/[provider]/[...path]/route.ts. The manipulation results in server-side request forgery. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
- Product
- NextChat
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordgist.github.comgithub.com
Nov 3, 2025Directory traversal vulnerability in NextChat thru 2.16.0 due to the WebDAV proxy failing to canonicalize or reject dot path segments in its catch-all route, alCVE-2025-50735 · Other software · Nextchat · reported by MITREHigh 7.5
Directory traversal vulnerability in NextChat thru 2.16.0 due to the WebDAV proxy failing to canonicalize or reject dot path segments in its catch-all route, allowing attackers to gain sensitive information via authenticated or anonymous WebDAV endpoints.
- Product
- Nextchat
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Aug 22, 2025NextChat contains a cross-site scripting (XSS) vulnerability in the HTMLPreview component of artifacts.tsx that allows attackers to execute arbitrary JavaScriptCVE-2025-50733 · Other software · reported by MITREMedium 6.1
NextChat contains a cross-site scripting (XSS) vulnerability in the HTMLPreview component of artifacts.tsx that allows attackers to execute arbitrary JavaScript code when HTML content is rendered in the AI chat interface. The vulnerability occurs because user-influenced HTML from AI responses is rendered in an iframe with 'allow-scripts' sandbox permission without proper sanitization. This can be exploited through specifically crafted prompts that cause the AI to generate malicious HTML/JavaScript code. When a user views the HTML preview, the injected JavaScript executes in the user's browser context, potentially allowing attackers to exfiltrate sensitive information (including API keys stored in localStorage), perform actions on behalf of the user, and steal session data.
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jun 28, 2024NextChat is a cross-platform ChatGPT/Gemini UI.CVE-2024-38514 · Other software · ChatGPTNextWeb · reported by GitHubHigh 7.4
NextChat is a cross-platform ChatGPT/Gemini UI. There is a Server-Side Request Forgery (SSRF) vulnerability due to a lack of validation of the `endpoint` GET parameter on the WebDav API endpoint. This SSRF can be used to perform arbitrary HTTPS request from the vulnerable instance (MKCOL, PUT and GET methods supported), or to target NextChat users and make them execute arbitrary JavaScript code in their browser. This vulnerability has been patched in version 2.12.4.
- Product
- ChatGPT-Next-Web
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Mar 11, 2024NextChat, also known as ChatGPT-Next-Web, is a cross-platform chat user interface for use with ChatGPT.CVE-2023-49785 · Other software · ChatGPTNextWeb · reported by GitHubCritical 9.1
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.
- Product
- NextChat
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Where this comes from: the exploited list is CISA’s Known Exploited Vulnerabilities catalog. Everything else is the whole National Vulnerability Database, where each record is published by the team that found the bug (Wordfence, Patchstack, WPScan, the vendors themselves and others); we show who. Exploit odds are FIRST’s EPSS, updated daily. Titles and categories are ours, so check the linked record before acting on a detail. For a write-up of the big ones, see our advisories. Every vendor, and every WordPress plugin and theme with a recorded flaw, also has its own page. All of it is free to reuse as JSON, CSV or RSS.
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