Firefox <145, ESR<140.5: DOM Mitigation Bypass in Security Component
CVE-2025-13018 Published on November 11, 2025
Mitigation bypass in the DOM: Security component
Mitigation bypass in the DOM: Security component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Thunderbird < 145, and Thunderbird < 140.5.
Vulnerability Analysis
CVE-2025-13018 is exploitable 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
Authentication Bypass Using an Alternate Path or Channel
A product requires authentication, but the product has an alternate path or channel that does not require authentication.
Products Associated with CVE-2025-13018
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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.