GHSA-3C7F-5HGJ-H279 n8n has XSS in Chat Trigger Node through Custom CSS

Impact An authenticated user with permission to create or modify workflows could inject malicious JavaScript into the Custom CSS field of the Chat Trigger node. Due to a misconfiguration in the sanitize-html library, the sanitization could be bypassed, resulting in stored XSS on the public chat...

Cross-site Scripting (XSS)

Overview @n8n/n8n-nodes-langchain is a Affected versions of this package are vulnerable to Cross-site Scripting XSS via the Custom CSS field in the Chat Trigger node due to improper sanitization in the sanitize-html library. An authenticated user with permission to create or modify workflows and...

EUVD-2026-16876

Express XSS Sanitizer: allowedTags/allowedAttributes bypass leads to permissive sanitization XSS risk...

GHSA-3843-RR4G-M8JQ Express XSS Sanitizer: allowedTags/allowedAttributes bypass leads to permissive sanitization (XSS risk)

Description A vulnerability has been identified in express-xss-sanitizer , , , etc. and attributes e.g., href on . This behavior violates the expected API contract and may lead to security issues such as content injection or XSS, depending on how the sanitized output is used. Impact Developers...

Express XSS Sanitizer: allowedTags/allowedAttributes bypass leads to permissive sanitization (XSS risk)

Description A vulnerability has been identified in express-xss-sanitizer , , , etc. and attributes e.g., href on . This behavior violates the expected API contract and may lead to security issues such as content injection or XSS, depending on how the sanitized output is used. Impact Developers...

CVE-2026-33397

The Angular SSR is a server-rise rendering tool for Angular applications. Versions on the 22.x branch prior to 22.0.0-next.2, the 21.x branch prior to 21.2.3, and the 20.x branch prior to 20.3.21 have an Open Redirect vulnerability in @angular/ssr due to an incomplete fix for CVE-2026-27738. Whil...

CVE-2026-30527

A Stored Cross-Site Scripting XSS vulnerability exists in SourceCodester Online Food Ordering System v1.0 in the Category management module within the admin panel. The application fails to properly sanitize user input supplied to the "Category Name" field when creating or updating a category. Whe...

EUVD-2026-16668

The 'POST /api/v2/files' endpoint does not sanitize the 'filename' parameter from the multipart form data, allowing an attacker to write files to arbitrary locations on the filesystem using path traversal sequences '../'...

Open WebUI vulnerable to Path Traversal in `POST /api/v1/audio/transcriptions`

Summary An unsanitised filename field in the speech-to-text transcription endpoint allows any authenticated non-admin user to trigger a FileNotFoundError whose message — including the server's absolute DATADIR path — is returned verbatim in the HTTP 400 response body, confirming information...

CVE-2026-5027

The 'POST /api/v2/files' endpoint does not sanitize the 'filename' parameter from the multipart form data, allowing an attacker to write files to arbitrary locations on the filesystem using path traversal sequences '../'...

CVE-2026-33750

The brace-expansion library generates arbitrary strings containing a common prefix and suffix. Prior to versions 5.0.5, 3.0.2, 2.0.3, and 1.1.13, a brace pattern with a zero step value e.g., 1..2..0 causes the sequence generation loop to run indefinitely, making the process hang for seconds and...

CVE-2025-61190

A Reflected Cross-Site Scripting XSS vulnerability has been identified in DSpace JSPUI 6.5 within the search/discover filtering functionality. The vulnerability exists due to improper sanitization of user-supplied input via the filtertype1 parameter...

CVE-2026-5027

The 'POST /api/v2/files' endpoint does not sanitize the 'filename' parameter from the multipart form data, allowing an attacker to write files to arbitrary locations on the filesystem using path traversal sequences '../'...

CVE-2026-33750

The brace-expansion library generates arbitrary strings containing a common prefix and suffix. Prior to versions 5.0.5, 3.0.2, 2.0.3, and 1.1.13, a brace pattern with a zero step value e.g., 1..2..0 causes the sequence generation loop to run indefinitely, making the process hang for seconds and...

CVE-2026-33750

The brace-expansion library generates arbitrary strings containing a common prefix and suffix. Prior to versions 5.0.5, 3.0.2, 2.0.3, and 1.1.13, a brace pattern with a zero step value e.g., 1..2..0 causes the sequence generation loop to run indefinitely, making the process hang for seconds and...

CVE-2026-33750

The IBM security bulletins confirm CVE-2026-33750 affecting the brace-expansion library used by IBM DevOps Test Performance and Rational Performance Tester. Before 5.0.5, 3.0.2, 2.0.3, and 1.1.13, a zero-step brace pattern (e.g., {1..2..0}) can cause an infinite loop, hang the process, and exhaus...

BIT-GITLAB-2026-2995 Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 15.4 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an authenticated user to add email addresses to targeted user accounts due to improper sanitization of HTML content...

BIT-GITLAB-2026-2973 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.7 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an authenticated user to execute arbitrary JavaScript in a user's browser due to improper sanitization of entity-encoded content in...

CVE-2026-33672

A flaw was found in picomatch, a JavaScript glob matcher. A remote attacker could exploit a method injection vulnerability by providing specially crafted POSIX bracket expressions, such as :constructor:. This allows the attacker to inject inherited method names into generated regular expressions,...

Cross Site Scripting(XSS)

github.com/xyproto/algernon is vulnerable to Cross-Site Scripting XSS. The vulnerability is due to improper sanitization of filename inputs, which allows an attacker to inject a crafted payload and execute arbitrary code...