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VulnerabilityPublished Updated

CVE-2024-10458: A permission leak could have occurred from a trusted site to an untrusted site via embed or object

Source GCVE Database

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Authoritative record:CVE-2024-10458· Medium 6.5

Not known to be exploited · CVSS 6.5 Medium · fixed in 132 : update affected systems when convenient.

Data as of 29 Oct 2026, 23:30 UTC

CVSS 3.1 base score
6.5Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CISA-ADPCVSS 3.16.5
Patch
Available – fixed in 132, 128.4, 115.17
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Oct 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

AI-suggested

The vulnerability has been fixed in Firefox 132 and Firefox ESR 128.4. Users and administrators should update affected Firefox and Thunderbird installations to these versions or later to remediate this issue. No additional mitigation actions are required beyond applying the official patches.

Description

CVE-2024-10458 is a high-severity vulnerability in Mozilla Firefox and Thunderbird where a permission leak could occur from a trusted site to an untrusted site via embed or object elements. This flaw affects Firefox versions prior to 132, Firefox ESR versions prior to 128.4 and 115.17, and Thunderbird versions prior to 128.4 and 132. The issue was addressed in Firefox 132 and Firefox ESR 128.4 releases.

References

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