CVE-2024-10460

Name: CVE-2024-10460
Creator: NVD / NIST
Published: 2024-10-29T13:15:03.8+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.29%

Last modified Jun 17, 2026

CVE-2024-10460 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. The origin of an external protocol handler prompt could have been obscured using a data: URL within an `iframe`. This vulnerability affects Firefox < 132, Firefox ESR < 128.4, Thunderbird < 128.4, and Thunderbird < 132.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

Description

The origin of an external protocol handler prompt could have been obscured using a data: URL within an `iframe`. This vulnerability affects Firefox < 132, Firefox ESR < 128.4, Thunderbird < 128.4, and Thunderbird < 132.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.29%

21.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-346

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 128.4.0
Mozilla	Firefox	< 132.0
Mozilla	Thunderbird	< 128.4
Mozilla	Thunderbird	>= 129, < 132

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1912537Issue Tracking, Permissions Required
https://www.mozilla.org/security/advisories/mfsa2024-55/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-56/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-58/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-59/Vendor Advisory
https://lists.debian.org/debian-lts-announce/2024/10/msg00034.html
https://lists.debian.org/debian-lts-announce/2024/11/msg00001.html

Timeline

Published: Oct 29, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-10460?

How severe is CVE-2024-10460?

CVE-2024-10460 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.

How do I fix CVE-2024-10460?

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-2024-10460?

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

Scan your code now

Source: NVD / NIST