Description
Thunderbird executed `javascript:` URLs when used in `object` and `embed` tags. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.
References (8)
Scores
CVSS v3
8.1
EPSS
0.0007
EPSS Percentile
21.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-80
Status
published
Products (10)
mozilla/firefox
< 128.13.0
mozilla/firefox
< 141.0
Mozilla/Firefox
128.13 - 128.*
Mozilla/Firefox
140.1 - 140.*
Mozilla/Firefox
141
mozilla/thunderbird
< 128.13.0
mozilla/thunderbird
< 141.0
Mozilla/Thunderbird
128.13 - 128.*
Mozilla/Thunderbird
140.1 - 140.*
Mozilla/Thunderbird
141
Published
Jul 22, 2025
Tracked Since
Feb 18, 2026