Mozilla Thunderbird up to 137.x Storage Access API access control

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.1 | $5k-$25k | 0.00 |
Summary
A vulnerability, which was classified as critical, was found in Mozilla Thunderbird up to 137.x. This impacts an unknown function of the component Storage Access API. The manipulation results in access control. This vulnerability is identified as CVE-2025-4088. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.
Details
A vulnerability was found in Mozilla Thunderbird up to 137.x. It has been classified as critical. Affected is some unknown functionality of the component Storage Access API. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on integrity. CVE summarizes:
A security vulnerability in Firefox allowed malicious sites to use redirects to send credentialed requests to arbitrary endpoints on any site that had invoked the Storage Access API. This enabled potential Cross-Site Request Forgery attacks across origins. This vulnerability affects Firefox < 138 and Thunderbird < 138.
The advisory is available at bugzilla.mozilla.org. This vulnerability is traded as CVE-2025-4088 since 04/29/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. 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 08/16/2025). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.
Upgrading to version 138 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-1850). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Affected
- Xerox FreeFlow Print Server
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: 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 |
|---|---|---|---|---|---|
| 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: Access controlCWE: CWE-284 / CWE-266
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 |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Thunderbird 138
Timeline
04/29/2025 🔍04/29/2025 🔍
04/29/2025 🔍
08/16/2025 🔍
Sources
Vendor: mozilla.orgAdvisory: bugzilla.mozilla.org
Status: Confirmed
CVE: CVE-2025-4088 (🔍)
GCVE (CVE): GCVE-0-2025-4088
GCVE (VulDB): GCVE-100-306546
CERT Bund: WID-SEC-2025-1850 - Xerox FreeFlow Print Server: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff
Entry
Created: 04/29/2025 16:46Updated: 08/16/2025 10:23
Changes: 04/29/2025 16:46 (56), 05/02/2025 17:27 (1), 08/16/2025 10:23 (7)
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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