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CVE Vulnerability Details :
CVE-2025-8031
PUBLISHED
More InfoOfficial Page
Assigner-mozilla
Assigner Org ID-f16b083a-5664-49f3-a51e-8d479e5ed7fe
View Known Exploited Vulnerability (KEV) details
Published At-22 Jul, 2025 | 20:49
Updated At-13 Apr, 2026 | 14:26
Rejected At-
▼CVE Numbering Authority (CNA)
Incorrect URL stripping in CSP reports

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.

Affected Products
Vendor
Mozilla CorporationMozilla
Product
Firefox
Versions
Unaffected
  • From 128.13 through 128.* (rpm)
  • From 140.1 through 140.* (rpm)
  • From 141 through * (rpm)
Vendor
Mozilla CorporationMozilla
Product
Thunderbird
Versions
Unaffected
  • From 128.13 through 128.* (rpm)
  • From 140.1 through 140.* (rpm)
  • From 141 through * (rpm)
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Tom Schuster
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://bugzilla.mozilla.org/show_bug.cgi?id=1971719
N/A
https://www.mozilla.org/security/advisories/mfsa2025-56/
N/A
https://www.mozilla.org/security/advisories/mfsa2025-58/
N/A
https://www.mozilla.org/security/advisories/mfsa2025-59/
N/A
https://www.mozilla.org/security/advisories/mfsa2025-61/
N/A
https://www.mozilla.org/security/advisories/mfsa2025-62/
N/A
https://www.mozilla.org/security/advisories/mfsa2025-63/
N/A
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=1971719
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-56/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-58/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-59/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-61/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-62/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-63/
Resource: N/A
▼Authorized Data Publishers (ADP)
1. CISA ADP Vulnrichment
Affected Products
Problem Types
TypeCWE IDDescription
CWECWE-276CWE-276 Incorrect Default Permissions
Type: CWE
CWE ID: CWE-276
Description: CWE-276 Incorrect Default Permissions
Metrics
VersionBase scoreBase severityVector
3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
2. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://lists.debian.org/debian-lts-announce/2025/07/msg00016.html
N/A
Hyperlink: https://lists.debian.org/debian-lts-announce/2025/07/msg00016.html
Resource: N/A
Details not found