CVE-2024-26283

HIGHCVSS 7.8/10EPSS 0.28%

Last modified

CVE-2024-26283 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.28% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
7.8/10

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

EPSS Probability
0.28%

19.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MozillaFirefox< 123.0

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2024-26283?
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.
How severe is CVE-2024-26283?
CVE-2024-26283 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.
How do I fix CVE-2024-26283?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-26283?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST