Mozilla Firefox up to 109 information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.7$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Mozilla Firefox up to 109. This vulnerability affects unknown code. The manipulation results in information disclosure. This vulnerability is reported as CVE-2023-25728. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in Mozilla Firefox up to 109 (Web Browser). Affected is an unknown code block. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. CVE summarizes:

The <code>Content-Security-Policy-Report-Only</code> header could allow an attacker to leak a child iframe's unredacted URI when interaction with that iframe triggers a redirect. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

The weakness was disclosed 02/14/2023 by Johan Carlsson as Bug 1790345 as confirmed advisory (Website). The advisory is shared for download at bugzilla.mozilla.org. The advisory contains:

The Content-Security-Policy-Report-Only header could allow an attacker to leak a child iframe's unredacted URI when interaction with that iframe triggers a redirect.
This vulnerability is traded as CVE-2023-25728. 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.

The vulnerability scanner Nessus provides a plugin with the ID 247804 (Linux Distros Unpatched Vulnerability : CVE-2023-25728), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 110 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 (247804) and EUVD (EUVD-2023-29635). 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: 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
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 247804
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2023-25728

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Firefox 110

Timelineinfo

02/13/2023 🔍
02/14/2023 +1 days 🔍
02/14/2023 +0 days 🔍
03/02/2023 +16 days 🔍
11/01/2025 +975 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Bug 1790345
Researcher: Johan Carlsson
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-25728 (🔍)
GCVE (CVE): GCVE-0-2023-25728
GCVE (VulDB): GCVE-100-222192
EUVD: 🔍

Entryinfo

Created: 03/02/2023 15:03
Updated: 11/01/2025 21:36
Changes: 03/02/2023 15:03 (11), 03/02/2023 15:04 (6), 03/02/2023 15:07 (28), 03/30/2023 15:21 (1), 01/10/2025 21:49 (36), 04/27/2025 21:52 (3), 08/11/2025 05:40 (2), 11/01/2025 21:36 (1)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!