PoC Index

CVE-2025-8043

CRITICAL 9.8EPSS 0.4%

Focus incorrectly truncated URLs towards the beginning instead of around the origin. This vulnerability affects Firefox < 141 and Thunderbird < 141.

CVSS v3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.38% chance of exploitation in the next 30 days, 31th percentile
Published
2025-07-22
Updated
2026-04-13

Proof-of-concept exploits (1)

References

Related