Detections
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Mozilla Firefox ESR < 115.28

high Nessus Plugin ID 265060

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Synopsis

A web browser installed on the remote Windows host is affected by a vulnerability.

Description

The version of Firefox ESR installed on the remote Windows host is prior to 115.28. It is, therefore, affected by a vulnerability as referenced in the mfsa2025-74 advisory.

 - This vulnerability affects Firefox < 143, Firefox ESR < 115.28, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3. (CVE-2025-10533)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Mozilla Firefox ESR version 115.28 or later.

See Also

https://www.mozilla.org/en-US/security/advisories/mfsa2025-74/

Plugin Details

Severity: High

ID: 265060

File Name: mozilla_firefox_115_28_esr.nasl

Version: 1.2

Type: local

Agent: windows

Family: Windows

Published: 9/16/2025

Updated: 9/19/2025

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2025-10533

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:mozilla:firefox_esr

Required KB Items: Mozilla/Firefox/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 9/16/2025

Vulnerability Publication Date: 9/16/2025

Reference Information

CVE: CVE-2025-10533

IAVA: 2025-A-0682