CVE-2021-43544

MEDIUM 6.1CVE-2021-43544 · Published 08/12/2021 · updated 17/06/2026

In short

CVE-2021-43544 is a MEDIUM (CVSS 6.1) vulnerability affecting firefox (mozilla).
Chance of exploitation in the next 30 days (EPSS): 0.53%, higher than 44.7% of all vulnerabilities.
Fix: update to 95.0 or later.

Package	Affected versions	Patched versions
firefox mozilla	`< 95.0`	`95.0`

Description

When receiving a URL through a SEND intent, Firefox would have searched for the text, but subsequent usages of the address bar might have caused the URL to load unintentionally, which could lead to XSS and spoofing attacks. *This bug only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 95.

References

bugzilla.mozilla.org/show_bug.cgi · Issue Tracking
mozilla.org/security/advisories/mfsa2021-52 · Vendor Advisory

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Package

Affected versions

Patched versions

firefox

mozilla

< 95.0

95.0

Description

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