Vulnerability Description
Lack of escaping allowed HTML injection when a webpage was viewed in Reader View. While a Content Security Policy prevents direct code execution, HTML injection is still possible. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 88.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 88.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1697604Issue TrackingPermissions RequiredVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-16/Release NotesVendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1697604Issue TrackingPermissions RequiredVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-16/Release NotesVendor Advisory
FAQ
What is CVE-2021-29944?
CVE-2021-29944 is a vulnerability with a CVSS score of 6.1 (MEDIUM). Lack of escaping allowed HTML injection when a webpage was viewed in Reader View. While a Content Security Policy prevents direct code execution, HTML injection is still possible. *Note: This issue on...
How severe is CVE-2021-29944?
CVE-2021-29944 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-29944?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox.