Mozilla Firefox up to 99 Performance API 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.
4.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Mozilla Firefox up to 99. It has been rated as problematic. This affects an unknown part of the component Performance API. Performing a manipulation results in cross-domain policy. This vulnerability is reported as CVE-2022-29915. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Mozilla Firefox up to 99 (Web Browser). This affects an unknown function of the component Performance API. 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 summary by CVE is:

The Performance API did not properly hide the fact whether a request cross-origin resource has observed redirects. This vulnerability affects Firefox < 100.

The weakness was disclosed 05/03/2022 by Sohom Datta as Bug 1751678 as confirmed advisory (Website). The advisory is shared at bugzilla.mozilla.org. The advisory contains:

The Performance API did not properly hide the fact whether a request cross-origin resource has observed redirects.
This vulnerability is uniquely identified as CVE-2022-29915. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/24/2026).

Upgrading to version 100 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-2022-34225). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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: 🔍

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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Firefox 100

Timelineinfo

04/29/2022 🔍
05/03/2022 +4 days 🔍
05/03/2022 +0 days 🔍
09/30/2022 +150 days 🔍
05/24/2026 +1332 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Bug 1751678
Researcher: Sohom Datta
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-29915 (🔍)
GCVE (CVE): GCVE-0-2022-29915
GCVE (VulDB): GCVE-100-209937
EUVD: 🔍

Entryinfo

Created: 09/30/2022 09:50
Updated: 05/24/2026 04:05
Changes: 09/30/2022 09:50 (10), 09/30/2022 09:51 (8), 09/30/2022 09:54 (28), 10/26/2022 13:23 (1), 04/15/2025 19:25 (26), 05/24/2026 04:05 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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