Mozilla Firefox up to 110 ServiceWorker information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Mozilla Firefox up to 110. The affected element is an unknown function of the component ServiceWorker. Such manipulation leads to information disclosure. This vulnerability is listed as CVE-2023-25750. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 110 (Web Browser) and classified as problematic. Affected by this issue is an unknown functionality of the component ServiceWorker. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

Under certain circumstances, a ServiceWorker's offline cache may have leaked to the file system when using private browsing mode. This vulnerability affects Firefox < 111.

The weakness was presented 03/14/2023 by Kagami Rosylight as Bug 1814733 as confirmed advisory (Website). The advisory is shared for download at bugzilla.mozilla.org. The advisory contains:

Under certain circumstances, a ServiceWorker's offline cache may have leaked to the file system when using private browsing mode.
This vulnerability is handled as CVE-2023-25750. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

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 vulnerability database at EUVD (EUVD-2023-29657). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

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

NVD Base Score: 4.3
NVD Vector: 🔍

CNA Base Score: 4.3
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Firefox 111

Timelineinfo

02/13/2023 🔍
03/14/2023 +29 days 🔍
03/14/2023 +0 days 🔍
04/14/2023 +31 days 🔍
11/02/2025 +933 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Bug 1814733
Researcher: Kagami Rosylight
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-25750 (🔍)
GCVE (CVE): GCVE-0-2023-25750
GCVE (VulDB): GCVE-100-225968
EUVD: 🔍

Entryinfo

Created: 04/14/2023 16:16
Updated: 11/02/2025 11:55
Changes: 04/14/2023 16:16 (17), 04/14/2023 16:20 (29), 05/03/2023 09:29 (1), 01/09/2025 23:00 (35), 04/27/2025 10:27 (3), 11/02/2025 11:55 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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