Vulnerability Description
When accepting a malicious intent from other installed apps, Firefox for Android accepted manifests from arbitrary file paths and allowed declaring webapp manifests for other origins. This could be used to gain fullscreen access for UI spoofing and could also lead to cross-origin attacks on targeted websites. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 83.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 83.0 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1657026Issue TrackingPermissions RequiredVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-50/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1657026Issue TrackingPermissions RequiredVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-50/Vendor Advisory
FAQ
What is CVE-2020-26954?
CVE-2020-26954 is a vulnerability with a CVSS score of 4.3 (MEDIUM). When accepting a malicious intent from other installed apps, Firefox for Android accepted manifests from arbitrary file paths and allowed declaring webapp manifests for other origins. This could be us...
How severe is CVE-2020-26954?
CVE-2020-26954 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-26954?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox.