Cross-Site Scripting Vulnerability in Firefox for iOS
CVE-2021-29958

4.3MEDIUM

Key Information:

Vendor

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

What is CVE-2021-29958?

A vulnerability has been identified in Firefox for iOS that allows cookies generated in private browsing mode to be exposed during normal browsing sessions. This flaw occurs when initiating a download without proper checks for the browsing context, thus potentially compromising user privacy by sharing sensitive information.

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Affected Version(s)

Firefox for iOS < 34

References

https://www.mozilla.org/security/advisories/mfsa2021-25/
x_refsource_MISC
https://bugzilla.mozilla.org/show_bug.cgi?id=1670127
x_refsource_MISC

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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