CVE-2025-13017
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-11-11

Last updated on: 2026-04-13

Assigner: Mozilla Corporation

Description
Same-origin policy bypass in the DOM: Notifications component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5.
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Meta Information
Published
2025-11-11
Last Modified
2026-04-13
Generated
2026-06-16
AI Q&A
2025-11-11
EPSS Evaluated
2026-06-15
NVD
CVE-2025-13017
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
mozilla firefox to 140.5.0 (exc)
mozilla firefox to 145.0 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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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.
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Executive Summary

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.

Impact Analysis

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.

Mitigation Strategies

To mitigate this vulnerability, update Firefox to version 145 or later, or Firefox ESR to version 140.5 or later.

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