Vulnerability identifier: #VU86746

Vulnerability risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26281

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Firefox for iOS
Mobile applications / Apps for mobile phones

Vendor: Mozilla

Description

The vulnerability allows a remote attacker to execute arbitrary JavaScript code in the browser.

The vulnerability exists due to improper input validation within the QR code scanner. A remote attacker can trick the victim to scan a specially crafted QR code and execute arbitrary JavaScript code on the current top origin sites in the URL bar.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Firefox for iOS: 8.0 - 122.2

---

External links
http://bugzilla.mozilla.org/show_bug.cgi?id=1868005
http://www.mozilla.org/security/advisories/mfsa2024-08/

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.