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CVE-2025-8031

critical · 9.8

The `username:password` part was not correctly stripped from URLs in CSP reports potentially leaking HTTP Basic Authentication credentials. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.

9.8
CVSS
0.4%
EPSS (exploit prob.)
38th
EPSS percentile
2025-07-22
Published

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

Weaknesses

CWE-276

Affected products

VendorProductAffected versions
mozillafirefox< 128.13.0
mozillafirefox< 141.0
mozillafirefox>= 140.0, < 140.1.0
mozillathunderbird< 128.13.0
mozillathunderbird< 141.0
mozillathunderbird>= 140.0, < 140.1.0

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-8031