CVE-2025-8039HIGH 8.1EPSS p18.1%

CVE-2025-8039CVE-2025-8039

Description

In some cases search terms persisted in the URL bar even after navigating away from the search page. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1.

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
EPSS0.27% probability of exploitation · percentile 18.1% · 2026-06-19T12:03:05Z
Published2025-07-22
Last modified2026-04-13

Underlying weaknesses· 1

CWE-200

References

  1. https://bugzilla.mozilla.org/show_bug.cgi?id=1970997
  2. https://www.mozilla.org/security/advisories/mfsa2025-56/
  3. https://www.mozilla.org/security/advisories/mfsa2025-59/
  4. https://www.mozilla.org/security/advisories/mfsa2025-61/
  5. https://www.mozilla.org/security/advisories/mfsa2025-63/

1

TypeTargetConfidenceTier
WeaknessExposure of Sensitive Information to an Unauthorized Actorcwe-2000%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.