CVE-2021-43544

medium
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
5.5

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-43544

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-43544.html

OS impact

OSVersionStatusFixed in
arch archfixed95.0-1
suse slesaffected
debian debiansidfixed0

References

Verify integrity in audit chain (admin only). AS-IS.