CVE-2024-26283

moderate-risk

Published 2024-02-22

An attacker could have executed unauthorized scripts on top origin sites using a JavaScript URI when opening an external URL with a custom Firefox scheme. This vulnerability affects Firefox for iOS < 123.

Do I need to act?

0.13% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.8/10 High

LOCAL / LOW complexity

Affected Products (1)

Firefox

Affected Vendors

Mozilla

References (4)

Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1850158

Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2024-08/

Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1850158

Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2024-08/

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moderate-risk

Severity 24/34 · High

Exploitability 1/34 · Minimal

Exposure 5/34 · Minimal