Mozilla Firefox up to 103 XSLT Error clickjacking

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in Mozilla Firefox up to 103 and classified as critical. This issue affects some unknown processing of the component XSLT Error Handler. The manipulation leads to clickjacking. This vulnerability is uniquely identified as CVE-2022-38472. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 103 (Web Browser). It has been rated as critical. This issue affects an unknown part of the component XSLT Error Handler. The manipulation with an unknown input leads to a clickjacking vulnerability. Using CWE to declare the problem leads to CWE-451. The user interface (UI) does not properly represent critical information to the user, allowing the information - or its source - to be obscured or spoofed. This is often a component in phishing attacks. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An attacker could have abused XSLT error handling to associate attacker-controlled content with another origin which was displayed in the address bar. This could have been used to fool the user into submitting data intended for the spoofed origin. This vulnerability affects Thunderbird < 102.2, Thunderbird < 91.13, Firefox ESR < 91.13, Firefox ESR < 102.2, and Firefox < 104.

The weakness was disclosed 08/23/2022 by Armin Ebert as Bug 1769155 as confirmed advisory (Website). It is possible to read the advisory at bugzilla.mozilla.org. The advisory contains:

An attacker could have abused XSLT error handling to associate attacker-controlled content with another origin which was displayed in the address bar. This could have been used to fool the user into submitting data intended for the spoofed origin.
The identification of this vulnerability is CVE-2022-38472. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/22/2026). The attack technique deployed by this issue is T1566.003 according to MITRE ATT&CK.

Upgrading to version 104 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-2022-41055). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Clickjacking
CWE: CWE-451
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 104

Timelineinfo

08/19/2022 🔍
08/23/2022 +4 days 🔍
08/23/2022 +0 days 🔍
09/29/2022 +37 days 🔍
06/22/2026 +1362 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Bug 1769155
Researcher: Armin Ebert
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-38472 (🔍)
GCVE (CVE): GCVE-0-2022-38472
GCVE (VulDB): GCVE-100-209807
EUVD: 🔍

Entryinfo

Created: 09/29/2022 14:51
Updated: 06/22/2026 16:37
Changes: 09/29/2022 14:51 (18), 09/29/2022 14:54 (28), 10/25/2022 13:54 (1), 04/15/2025 19:25 (27), 06/22/2026 16:37 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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