Universal Cross-Site Scripting Vulnerability in Firefox for Android by Mozilla
CVE-2021-29953

6.1MEDIUM

Key Information:

Vendor

Mozilla
Status
Firefox
Firefox For Android
Vendor
CVE Published:
24 June 2021

What is CVE-2021-29953?

A vulnerability exists in Firefox for Android that enables a malicious webpage to execute attacker-controlled JavaScript in the context of a different domain. This Universal Cross-Site Scripting issue specifically targets Firefox users on Android devices, allowing for potential exploitation and data exposure. Users are encouraged to update to the latest versions to mitigate this risk.

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Affected Version(s)

Firefox < 88.0.1

Firefox for Android < 88.1.3

References

https://www.mozilla.org/security/advisories/mfsa2021-20/
x_refsource_MISC
https://bugzilla.mozilla.org/show_bug.cgi?id=1701684
x_refsource_MISC

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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