Mozilla Firefox up to 110 Web Extension File redirect

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Mozilla Firefox up to 110. This affects an unknown function of the component Web Extension File Handler. Executing a manipulation can lead to redirect. This vulnerability is registered as CVE-2023-28160. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 110 (Web Browser). It has been declared as problematic. This vulnerability affects an unknown part of the component Web Extension File Handler. The manipulation with an unknown input leads to a redirect vulnerability. The CWE definition for the vulnerability is CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. As an impact it is known to affect confidentiality. CVE summarizes:

When following a redirect to a publicly accessible web extension file, the URL may have been translated to the actual local path, leaking potentially sensitive information. This vulnerability affects Firefox < 111.

The weakness was published 03/14/2023 by Rob Wu as Bug 1802385 as confirmed advisory (Website). The advisory is available at bugzilla.mozilla.org. The advisory contains:

When following a redirect to a publicly accessible web extension file, the URL may have been translated to the actual local path, leaking potentially sensitive information.
This vulnerability was named CVE-2023-28160. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 12/02/2025). This vulnerability is assigned to T1204.001 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 248447 (Linux Distros Unpatched Vulnerability : CVE-2023-28160), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 111 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (248447) and EUVD (EUVD-2023-31868). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Redirect
CWE: CWE-601
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 248447
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2023-28160

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Firefox 111

Timelineinfo

03/13/2023 🔍
03/14/2023 +1 days 🔍
03/14/2023 +0 days 🔍
04/14/2023 +31 days 🔍
12/02/2025 +963 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Bug 1802385
Researcher: Rob Wu
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-28160 (🔍)
GCVE (CVE): GCVE-0-2023-28160
GCVE (VulDB): GCVE-100-225970
EUVD: 🔍

Entryinfo

Created: 04/14/2023 16:17
Updated: 12/02/2025 09:37
Changes: 04/14/2023 16:17 (17), 04/14/2023 16:21 (29), 05/03/2023 09:37 (1), 01/09/2025 17:21 (35), 04/27/2025 10:27 (3), 08/12/2025 05:08 (2), 12/02/2025 09:37 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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