CVE-2025-8031

lowpriority · track · 0OT risk · elevatedEPSS 0.005 · 43 %ileDEEUNLRUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.51% (43rd) EPSS
CVSS 3.1 · low
Is it mine?
55 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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.

01

cvss

Technical severity, 0–10. One row per scoring source.

9.8
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–critical · 3.1–9.8

v3.13.1lowAV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:Nsecondary · FSTEC (BDU) RU
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 3.9 · impact 5.9
v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

04

affected products (55)

Products and version ranges known to be affected.

showing 20 of 55
05

advisories (2)

Vendor and ecosystem advisories describing this.

  • NCSC-2025-0235Kwetsbaarheden verholpen in Firefox en ThunderbirdNL2025-07-23csaf · ncsc_nlNL

    Mozilla heeft kwetsbaarheden verholpen in Firefox en Thunderbird (Specifiek voor versies onder 141).

  • WID-SEC-W-2025-1623Mozilla Firefox , Firefox ESR und Thunderbird: Mehrere SchwachstellenDeutsch2025-07-22csaf · cert_bundDE

    Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Mozilla Firefox, Mozilla Firefox ESR und Mozilla Thunderbird ausnutzen, um beliebigen Programmcode auszuführen, einen Denial-of-Service-Zustand zu verursachen, vertrauliche Informationen offenzulegen, Sicherheitsmaßnahmen zu umgehen und andere, nicht näher definierte Angriffe durchzuführen.

06

also known as (4)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

08

references (26)

External citations — patches, advisories, analysis.

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