Mozilla Firefox up to 141 on Android Address Bar clickjacking

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.1 | $5k-$25k | 0.00 |
Summary
A vulnerability classified as problematic was found in Mozilla Firefox up to 141 on Android. This issue affects some unknown processing of the component Address Bar. Executing a manipulation can lead to clickjacking. This vulnerability appears as CVE-2025-9186. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.
Details
A vulnerability classified as problematic was found in Mozilla Firefox up to 141 on Android. This vulnerability affects an unknown function of the component Address Bar. The manipulation with an unknown input leads to a clickjacking vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. CVE summarizes:
Spoofing issue in the Address Bar component of Firefox Focus for Android. This vulnerability affects Firefox < 142.
The advisory is available at bugzilla.mozilla.org. This vulnerability was named CVE-2025-9186 since 08/19/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. 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 $5k-$25k at the moment (estimation calculated on 10/12/2025). This vulnerability is assigned to T1566.003 by the MITRE ATT&CK project.
The vulnerability scanner Nessus provides a plugin with the ID 260169 (Linux Distros Unpatched Vulnerability : CVE-2025-9186), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 142 eliminates this vulnerability.
The vulnerability is also documented in the databases at Tenable (260169) and CERT Bund (WID-SEC-2025-1866). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Affected
- Debian Linux
- Amazon Linux 2
- Red Hat Enterprise Linux
- SUSE Linux
- Oracle Linux
- IGEL OS
- SUSE openSUSE
- RESF Rocky Linux
- Mozilla Firefox
- Mozilla Firefox ESR
- Mozilla Thunderbird
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.mozilla.org/
- Product: https://www.mozilla.org/en-US/firefox/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: ClickjackingCWE: CWE-451
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 |
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Nessus ID: 260169
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-9186
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Firefox 142
Timeline
08/19/2025 CVE reserved08/19/2025 VulDB entry created
08/20/2025 Advisory disclosed
10/12/2025 VulDB entry last update
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: bugzilla.mozilla.org
Status: Confirmed
CVE: CVE-2025-9186 (🔒)
GCVE (CVE): GCVE-0-2025-9186
GCVE (VulDB): GCVE-100-320698
CERT Bund: WID-SEC-2025-1866 - Mozilla Firefox und Thunderbird: Mehrere Schwachstellen
scip Labs: https://www.scip.ch/en/?labs.20130704
Entry
Created: 08/20/2025 00:20Updated: 10/12/2025 16:28
Changes: 08/20/2025 00:20 (57), 09/02/2025 05:37 (2), 09/07/2025 07:16 (7), 10/12/2025 16:28 (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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