CVE-2025-10534HIGH 8.1EPSS p24.4%

CVE-2025-10534CVE-2025-10534

Description

Spoofing issue in the Site Permissions component. This vulnerability was fixed in Firefox 143 and Thunderbird 143.

Scoring

CVSS 3.18.1 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
EPSS0.33% probability of exploitation · percentile 24.4% · 2026-06-18T12:00:27Z
Published2025-09-16
Last modified2026-04-13

Underlying weaknesses· 1

CWE-79

References

  1. https://bugzilla.mozilla.org/show_bug.cgi?id=1665334
  2. https://www.mozilla.org/security/advisories/mfsa2025-73/
  3. https://www.mozilla.org/security/advisories/mfsa2025-77/

1

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting')cwe-790%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.