CVE-2025-58765

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...

Cross-site Scripting (XSS)

Overview @webrecorder/wabac is a service worker based web archive replay Affected versions of this package are vulnerable to Cross-site Scripting XSS via the 404 error handling process. An attacker can execute arbitrary JavaScript in the victim's browser by crafting a malicious URL that injects...

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...