CVE-2026-33979 Express XSS Sanitizer: allowedTags/allowedAttributes bypass leads to permissive sanitization (XSS risk)

Express XSS Sanitizer is Express 4.x and 5.x middleware which sanitizes user input data in req.body, req.query, req.headers and req.params to prevent Cross Site Scripting XSS attack. A vulnerability has been identified in versions prior to 2.0.2 where restrictive sanitization configurations are...

EUVD-2018-0787

Malware in sbrugna...

UBUNTU-CVE-2019-25225

sanitize-html prior to version 2.0.0-beta is vulnerable to Cross-site Scripting XSS. The sanitizeHtml function in index.js does not sanitize content when using the custom transformTags option, which is intended to convert attribute values into text. As a result, malicious input can be transformed...