CVE-2025-8031

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2025-07-22. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: None knownExposed: 0

A fix is available — apply it.

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.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
59(Track)
EG Risk 59/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
35%
KEV
Not listed

Published

July 22, 2025

Last Modified

June 17, 2026

Advisory Details (8)

Auto-updated Jul 25, 2026
Patch available.
generic Patch Available

[SECURITY] [DLA 4253-1] thunderbird security update

https://lists.debian.org/debian-lts-announce/2025/07/msg00016.html
generic

Security Vulnerabilities fixed in Thunderbird 140.1 — Mozilla

https://www.mozilla.org/security/advisories/mfsa2025-63/
generic

Security Vulnerabilities fixed in Thunderbird 128.13 — Mozilla

https://www.mozilla.org/security/advisories/mfsa2025-62/
generic

Security Vulnerabilities fixed in Thunderbird 141 — Mozilla

https://www.mozilla.org/security/advisories/mfsa2025-61/
generic

Security Vulnerabilities fixed in Firefox ESR 140.1 — Mozilla

https://www.mozilla.org/security/advisories/mfsa2025-59/
generic

Security Vulnerabilities fixed in Firefox ESR 128.13 — Mozilla

https://www.mozilla.org/security/advisories/mfsa2025-58/
generic

Security Vulnerabilities fixed in Firefox 141 — Mozilla

https://www.mozilla.org/security/advisories/mfsa2025-56/
generic

1971719 - (CVE-2025-8031) Strip username:password from URL in CSP reports

https://bugzilla.mozilla.org/show_bug.cgi?id=1971719

Patch Availability(22)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuxul-ext-lightning (1:140.7.1+build1-0ubuntu0.22.04.1) @ jammy2026-05-21ubuntu
redhatthunderbird-0:128.13.0-3.el8_102025-08-12redhat
redhatthunderbird-0:128.13.0-3.el8_42025-08-11redhat
redhatthunderbird-0:128.13.0-3.el8_22025-08-11redhat
redhatthunderbird-0:128.13.0-3.el8_82025-08-11redhat
redhatthunderbird-0:128.13.0-3.el8_62025-08-11redhat
redhatthunderbird-0:128.13.0-3.el9_42025-08-11redhat
redhatthunderbird-0:128.13.0-3.el9_02025-08-11redhat
redhatthunderbird-0:128.13.0-3.el9_22025-08-11redhat
redhatfirefox-0:128.13.0-1.el8_22025-07-31redhat
redhatfirefox-0:128.13.0-1.el8_82025-07-31redhat
redhatfirefox-0:128.13.0-1.el8_62025-07-31redhat
redhatfirefox-0:128.13.0-1.el7_92025-07-30redhat
redhatfirefox-0:128.13.0-1.el8_42025-07-30redhat
redhatfirefox-0:128.13.0-1.el9_02025-07-29redhat
redhatthunderbird-0:128.13.0-3.el10_02025-07-29redhat
redhatfirefox-0:128.13.0-1.el9_42025-07-29redhat
redhatthunderbird-0:128.13.0-3.el9_62025-07-29redhat
redhatfirefox-0:128.13.0-1.el9_22025-07-29redhat
redhatfirefox-0:128.13.0-1.el10_02025-07-28redhat
redhatfirefox-0:128.13.0-1.el9_62025-07-24redhat
redhatfirefox-0:128.13.0-1.el8_102025-07-24redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(22)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 11× in last 7d / 47× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 122 total refreshes for this CVE.

  1. 2026-07-26 14:54 UTCEPSS rescore
  2. 2026-07-26 14:54 UTCEPSS rescore
  3. 2026-07-25 14:17 UTCEPSS rescore
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  8. 2026-07-23 03:03 UTCEG score recompute
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  11. 2026-07-20 17:08 UTCEPSS rescore
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  24. 2026-07-13 06:12 UTCEPSS rescore
  25. 2026-07-12 05:46 UTCEPSS rescore
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  1. 2026-07-12 05:46 UTCEPSS rescore
  2. 2026-07-11 08:27 UTCEPSS rescore
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  4. 2026-07-10 08:58 UTCOSV refresh
  5. 2026-07-09 19:10 UTCEPSS rescore
  6. 2026-07-08 15:15 UTCEPSS rescore
  7. 2026-07-07 13:46 UTCEPSS rescore
  8. 2026-07-06 16:27 UTCEPSS rescore
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  17. 2026-06-29 14:06 UTCEPSS rescore
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  23. 2026-06-27 03:08 UTCEPSS rescore
  24. 2026-06-25 13:49 UTCEPSS rescore
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  26. 2026-06-24 14:05 UTCEPSS rescore
  27. 2026-06-24 14:04 UTCEPSS rescore
  28. 2026-06-23 21:32 UTCEPSS rescore
  29. 2026-06-22 14:25 UTCEPSS rescore
  30. 2026-06-22 14:25 UTCEPSS rescore
  31. 2026-06-21 19:13 UTCOSV refresh
  32. 2026-06-21 14:56 UTCEPSS rescore
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  43. 2026-06-14 23:18 UTCEPSS rescore
  44. 2026-06-13 23:00 UTCEPSS rescore
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  46. 2026-06-12 23:12 UTCEPSS rescore
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  48. 2026-06-11 14:00 UTCEPSS rescore
  49. 2026-06-10 22:18 UTCEPSS rescore
  50. 2026-06-10 13:22 UTCEPSS rescore
  51. 2026-06-08 14:17 UTCEPSS rescore
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  53. 2026-06-07 15:24 UTCEPSS rescore
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  55. 2026-06-06 13:47 UTCEPSS rescore
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  61. 2026-06-04 13:12 UTCEPSS rescore
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  63. 2026-06-02 22:40 UTCOSV refresh
  64. 2026-06-02 20:13 UTCEPSS rescore
  65. 2026-05-31 22:30 UTCEPSS rescore
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  74. 2026-05-27 13:40 UTCEPSS rescore
  75. 2026-05-27 13:40 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2025-8031?
CVE-2025-8031 is a critical vulnerability published on July 22, 2025. 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.
When was CVE-2025-8031 disclosed?
CVE-2025-8031 was first published in the National Vulnerability Database on July 22, 2025, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-8031 actively exploited?
CVE-2025-8031 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 64.9% of all scored CVEs.
What is the CVSS score of CVE-2025-8031?
CVE-2025-8031 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2025-8031?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-8031, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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