CVE-2025-58765

Wabac.js (service-worker based web archive replay) has a Reflected XSS in 404 error handling, where the requestURL parameter is embedded into an inline script without sanitization. Affected: wabac.js

CVE-2025-58765 wabac.js has XSS vulnerability in 404 error handling logic

wabac.js provides a full web archive replay system, or 'wayback machine', using Service Workers. A Reflected Cross-Site Scripting XSS vulnerability exists in the 404 error handling logic of wabac.js v2.23.10 and below. The parameter requestURL derived from the original request target is directly...