| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.8 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as problematic has been found in Mozilla Thunderbird up to 91.8. Impacted is an unknown function of the component Fullscreen Handler. The manipulation results in an unknown weakness. This vulnerability is known as CVE-2022-29914. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.
Details
A vulnerability was found in Mozilla Thunderbird up to 91.8 (Mail Client Software). It has been classified as problematic. Affected is an unknown part of the component Fullscreen Handler. This is going to have an impact on integrity, and availability. CVE summarizes:
When reusing existing popups Firefox would have allowed them to cover the fullscreen notification UI, which could have enabled browser spoofing attacks. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.
The weakness was published 05/03/2022 by Irvan Kurniawan as Bug 1746448 as confirmed advisory (Website). The advisory is shared for download at bugzilla.mozilla.org. The advisory contains:
When reusing existing popups Thunderbird would allow them to cover the fullscreen notification UI, which could enable browser spoofing attacks.This vulnerability is traded as CVE-2022-29914. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/21/2026).
The vulnerability scanner Nessus provides a plugin with the ID 294768 (MiracleLinux 8 : firefox-91.9.0-1.el8.ML.1 (AXSA:2022-3174:10)), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 91.9 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 Tenable (294768). Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.mozilla.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.9VulDB Meta Temp Score: 5.8
VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: UnknownCWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 294768
Nessus Name: MiracleLinux 8 : firefox-91.9.0-1.el8.ML.1 (AXSA:2022-3174:10)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Thunderbird 91.9
Timeline
04/29/2022 🔍05/03/2022 🔍
05/03/2022 🔍
09/30/2022 🔍
01/21/2026 🔍
Sources
Vendor: mozilla.orgAdvisory: Bug 1746448
Researcher: Irvan Kurniawan
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2022-29914 (🔍)
GCVE (CVE): GCVE-0-2022-29914
GCVE (VulDB): GCVE-100-209940
Entry
Created: 09/30/2022 10:02Updated: 01/21/2026 13:46
Changes: 09/30/2022 10:02 (15), 09/30/2022 10:03 (2), 09/30/2022 10:06 (28), 10/26/2022 13:39 (1), 04/16/2025 01:29 (27), 01/21/2026 13:46 (2)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.

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