01 Record

CVE-2024-10460

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

MediumPUBLISHEDCNA: mozilla

CNA base score5.4 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

View raw JSON

02 Description

03 Exploitation and scoring

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.32% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 25.2% of scored records. A rank, not a probability.

NVD base score

5.3 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2024-10-29 12:19Z1 YR AGO

Last updated

2025-11-03 21:51Z10 MO AGO

Reserved

2024-10-28

Assigning CNA

mozilla

Record state

PUBLISHED

Severity

Medium (CVSS 5.4)

CNA CVSS vector

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

Weaknesses

CWE-346Origin Validation ErrorClass
CWE-940Improper Verification of Source of a Communication ChannelBase

Data version

5.2

Document digest

03c582f853f50fa3b57be53759d50e2325d6b87c673cd0574858f0d5027097d9

05 Affected products

VendorProductVersionsPlatforms

MozillaFirefox< 132—

MozillaFirefox ESR< 128.4—

MozillaThunderbird< 128.4, < 132—

06 References

bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1912537
www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2024-55/
www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2024-56/
www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2024-58/
www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2024-59/
lists.debian.orghttps://lists.debian.org/debian-lts-announce/2024/11/msg00001.html
lists.debian.orghttps://lists.debian.org/debian-lts-announce/2024/10/msg00034.html

01 Record index

CVE-2024-10460

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2024-10460

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References