CVE-2021-4140

CRITICAL

10.0

Description

It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

CVE Details

CVSS v3.1 Score10.0

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published12/22/2022

Last Modified4/16/2025

Sourcenvd

Honeypot Sightings0

Affected Products

mozilla:firefoxmozilla:firefox_esrmozilla:thunderbird

Weaknesses (CWE)

CWE-91CWE-91

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1746720(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2022-01/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2022-02/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2022-03/(security@mozilla.org)

https://bugzilla.mozilla.org/show_bug.cgi?id=1746720(af854a3a-2127-422b-91ae-364da2661108)

https://www.mozilla.org/security/advisories/mfsa2022-01/(af854a3a-2127-422b-91ae-364da2661108)

https://www.mozilla.org/security/advisories/mfsa2022-02/(af854a3a-2127-422b-91ae-364da2661108)

https://www.mozilla.org/security/advisories/mfsa2022-03/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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