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CVE-2025-58765
Good to know:
Date: September 9, 2025
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 embedded into an inline "<script>" block without sanitization or escaping. This allows an attacker to craft a malicious URL that executes arbitrary JavaScript in the victim’s browser. The scope may be limited by CORS policies, depending on the situation in which wabac.js is used. The vulnerability is fixed in wabac.js v2.23.11.
Severity Score
Related Resources (9)
Severity Score
Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-79Top Fix
Upgrade Version
Upgrade to version @webrecorder/wabac - 2.23.11;@webrecorder/wabac - 2.23.11;replaywebpage - 2.3.17;@webrecorder/archivewebpage - 0.15.4;https://github.com/webrecorder/wabac.js.git - v2.23.11
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | REQUIRED |
| Scope (S): | CHANGED |
| Confidentiality (C): | LOW |
| Integrity (I): | LOW |
| Availability (A): | LOW |