CVE-2025-13017
BaseFortify
Publication date: 2025-11-11
Last updated on: 2026-04-13
Assigner: Mozilla Corporation
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mozilla | firefox | to 140.5.0 (exc) |
| mozilla | firefox | to 145.0 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-942 | The product uses a web-client protection mechanism such as a Content Security Policy (CSP) or cross-domain policy file, but the policy includes untrusted domains with which the web client is allowed to communicate. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a same-origin policy bypass in the DOM Notifications component affecting Firefox versions below 145 and Firefox ESR below 140.5. It allows an attacker to bypass the browser's security restrictions that normally prevent web pages from accessing data from different origins.
How can this vulnerability impact me? :
This vulnerability can allow malicious websites to access or manipulate information from other websites or origins without proper authorization, potentially leading to data leakage, privacy violations, or unauthorized actions within the browser.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, update Firefox to version 145 or later, or Firefox ESR to version 140.5 or later.