Mozilla Firefox up to 105 cross-domain policy

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
4.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Mozilla Firefox up to 105. It has been declared as problematic. Affected by this issue is some unknown functionality. The manipulation results in cross-domain policy. This vulnerability was named CVE-2022-42927. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 105 (Web Browser). It has been classified as problematic. Affected is some unknown processing. The manipulation with an unknown input leads to a cross-domain policy vulnerability. CWE is classifying the issue as CWE-942. The product uses a cross-domain policy file that includes domains that should not be trusted. This is going to have an impact on confidentiality.

The weakness was presented 10/18/2022 by James Lee as Bug 1789128 as confirmed advisory (Website). The advisory is available at bugzilla.mozilla.org. The advisory contains:

A same-origin policy violation could have allowed the theft of cross-origin URL entries, leaking the result of a redirect, via performance.getEntries().
This vulnerability is traded as CVE-2022-42927. 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 08/28/2026).

The vulnerability scanner Nessus provides a plugin with the ID 208577 (CentOS 7 : thunderbird (RHSA-2022:7184)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 106 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 (208577) and EUVD (EUVD-2022-45983). 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: 4.3
VulDB Meta Temp Score: 4.1

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

CVSSv2info

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

Exploitinginfo

Class: Cross-domain policy
CWE: CWE-942 / CWE-346 / CWE-345
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: 208577
Nessus Name: CentOS 7 : thunderbird (RHSA-2022:7184)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Firefox 106

Timelineinfo

10/14/2022 🔍
10/18/2022 +4 days 🔍
10/18/2022 +0 days 🔍
10/21/2022 +3 days 🔍
08/28/2026 +1407 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Bug 1789128
Researcher: James Lee
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-42927 (🔍)
GCVE (CVE): GCVE-0-2022-42927
GCVE (VulDB): GCVE-100-211938
EUVD: 🔍

Entryinfo

Created: 10/21/2022 13:07
Updated: 08/28/2026 16:03
Changes: 10/21/2022 13:07 (18), 10/21/2022 13:10 (27), 11/19/2022 08:38 (1), 10/15/2024 16:16 (16), 04/28/2025 23:44 (3), 08/28/2026 16:03 (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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