Same-Origin Policy Bypass in Firefox Notifications <145
CVE-2025-13017 Published on November 11, 2025
Same-origin policy bypass in the DOM: Notifications component
Same-origin policy bypass in the DOM: Notifications component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Thunderbird < 145, and Thunderbird < 140.5.
Vulnerability Analysis
CVE-2025-13017 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and no impact on availability.
Weakness Type
Permissive Cross-domain Policy with Untrusted Domains
The software uses a cross-domain policy file that includes domains that should not be trusted.
Products Associated with CVE-2025-13017
Want to know whenever a new CVE is published for Mozilla products? stack.watch will email you.
Affected Versions
Mozilla Firefox:- Version unspecified and below 145 is affected.
- Version unspecified and below 140.5 is affected.
- Version unspecified and below 145 is affected.
- Version unspecified and below 140.5 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.