CVE-2025-8039CWE-200information-disclosure

CVE-2025-8039

High · published July 23, 2025

CVSS v3.1

8.1

EPSS

Percentile

23.4

In the wild

Unconfirmed

What it is

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.

The record

Technical detail

CVSS v3.1: 8.1 · HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS v4.0: Not supplied
EPSS: 0.00317 · 23.4th percentile
Weakness: CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
Published: 2025-07-23T01:15Z

Affected products (4)

Product	Versions	Fixed in
mozilla/firefox	< 140.1	140.1
mozilla/firefox	< 141.0	141.0
mozilla/thunderbird	< 140.1	140.1
mozilla/thunderbird	< 141.0	141.0

References (5)

https://bugzilla.mozilla.org/show_bug.cgi?id=1970997 · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-56/ · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-59/ · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-61/ · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-63/ · [email protected]

EPSS history

Timeline

22 JUL 20:49Z
Search terms persisted in URL bar
cvelistv5