CVE-2024-8386: firefox Open Redirect — Fix

Description

If a site had been granted the permission to open popup windows, it could cause Select elements to appear on top of another site to perform a spoofing attack. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, and Thunderbird < 128.2.

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CVSS v3.1 Score

6.1

MEDIUM

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

Weakness Type (CWE)

CWE-601 CWE-601

CWE-290 CWE-290

Affected Products

Vendor	Product	Versions
mozilla	firefox	< 130.0
mozilla	firefox_esr	< 128.2

References

Advisories & Patches

https://www.mozilla.org/security/advisories/mfsa2024-39/ https://www.mozilla.org/security/advisories/mfsa2024-40/

Other References

https://bugzilla.mozilla.org/show_bug.cgi?id=1907032 https://bugzilla.mozilla.org/show_bug.cgi?id=1909163 https://bugzilla.mozilla.org/show_bug.cgi?id=1909529 https://www.mozilla.org/security/advisories/mfsa2024-43/

Frequently Asked Questions

What is CVE-2024-8386? +

If a site had been granted the permission to open popup windows, it could cause Select elements to appear on top of another site to perform a spoofing attack. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, and Thunderbird < 128.2. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2024-8386? +

CVE-2024-8386 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-8386? +

CVE-2024-8386 affects products from mozilla, specifically: firefox, firefox_esr. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-8386? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2024-8386