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CVE-2026-0888 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2026-0888

CVE-2026-0888

MEDIUM5.3

Information disclosure in the XML component

Published Jan 13, 2026

Modified 3 days ago

Details

Information disclosure in the XML component. This vulnerability was fixed in Firefox 147 and Thunderbird 147.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1985996

https://www.cve.org/CVERecord?id=CVE-2026-0888

https://www.mozilla.org/security/advisories/mfsa2026-01/

https://www.mozilla.org/security/advisories/mfsa2026-04/

CVSS Analysis

CVSS v3.1

5.3

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

LowC:L

Integrity

NoneI:N

Availability

NoneA:N

5.3/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Ecosystems

Timeline

PublishedJan 13, 2026

ModifiedApr 13, 2026