CVE-2020-12404
MEDIUM
4.3
CVSS Score
Published: July 9, 2020 at 02:44 PM UTC
Updated: August 19, 2026 at 03:30 PM UTC
2 products affected across 1 vendorFirefox MobileFirefox
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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.8%
Description
For native-to-JS bridging the app requires a unique token to be passed that ensures non-app code can't call the bridging functions. That token could leak when used for downloading files. This vulnerability affects Firefox for iOS < 26.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 26.0
Affected range stops below 26.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCIssue TrackingPermissions RequiredVendor Advisory
Source: [email protected]
https://bugzilla.mozilla.org/show_bug.cgi?id=1631739x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2020-19/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- LOW
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-79
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