CVE-2026-0888
Unknown
Unknown - Not Provided
Information Disclosure in Firefox XML Component Prior to
Publication date: 2026-01-13
Last updated on: 2026-04-13
Assigner: Mozilla Corporation
Description
Description
Information disclosure in the XML component. This vulnerability was fixed in Firefox 147 and Thunderbird 147.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mozilla | firefox | to 147 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-200 | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an information disclosure issue in the XML component of Firefox versions prior to 147. It allows attackers to gain access to information that should be protected within the browser.
How can this vulnerability impact me? :
The vulnerability can lead to unauthorized disclosure of information, potentially exposing sensitive data to attackers without requiring user interaction.
What immediate steps should I take to mitigate this vulnerability?
Update Firefox to version 147 or later, as the vulnerability affects Firefox versions prior to 147 and was fixed in Firefox 147. [1]
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