6.5 MEDIUM
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): None (N)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): Low (L)
- Integrity (I): Low (L)
- Availability (A): None (N)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): None (N)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): Low (L)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): Low (L)
- Modified Availability (MA): None (N)
Activity log
- Created suggestion
Chat UI manipulation by injection
An attacker who can send HTML chat messages (via Matrix or XMPP) can inject arbitrary styled content, phishing links, and CSS that manipulates the chat UI. This vulnerability was fixed in Thunderbird 152.0.1 and Thunderbird 140.12.1.
References
Affected products
- =<140.*
- =<*
Matching in nixpkgs
pkgs.thunderbird-cli
Low-level CLI to manage Mozilla Thunderbird email from the shell
pkgs.thunderbird-mcp
MCP server for Thunderbird - enables AI assistants to access email, contacts, and calendars
pkgs.thunderbird-cli-mcp
MCP server that gives full access to your email through Mozilla Thunderbird
pkgs.pkgsRocm.thunderbird
Full-featured e-mail client
pkgs.thunderbird-unwrapped
Full-featured e-mail client
pkgs.thunderbird-cli-bridge
HTTP/WebSocket bridge daemon between thunderbird-cli (or any HTTP client) and the Thunderbird-cli WebExtension. Stateless proxy, localhost-only.
pkgs.thunderbird-140-unwrapped
Full-featured e-mail client
-
nixos-unstable 140.11.1esr
- nixpkgs-unstable 140.11.1esr
- nixos-unstable-small 140.11.1esr
-
nixos-26.05 140.11.1esr
- nixos-26.05-small 140.11.1esr
- nixpkgs-26.05-darwin 140.11.1esr
pkgs.thunderbird-esr-unwrapped
Full-featured e-mail client
-
nixos-unstable 140.11.1esr
- nixpkgs-unstable 140.11.1esr
- nixos-unstable-small 140.11.1esr
-
nixos-26.05 140.11.1esr
- nixos-26.05-small 140.11.1esr
- nixpkgs-26.05-darwin 140.11.1esr
pkgs.pkgsRocm.thunderbird-latest
Full-featured e-mail client
pkgs.thunderbird-latest-unwrapped
Full-featured e-mail client
pkgs.pkgsRocm.thunderbird-unwrapped
Full-featured e-mail client
pkgs.thunderbirdPackages.thunderbird
Full-featured e-mail client
pkgs.roundcubePlugins.thunderbird_labels
None
pkgs.thunderbirdPackages.thunderbird-140
Full-featured e-mail client
-
nixos-unstable 140.11.1esr
- nixpkgs-unstable 140.11.1esr
- nixos-unstable-small 140.11.1esr
-
nixos-26.05 140.11.1esr
- nixos-26.05-small 140.11.1esr
- nixpkgs-26.05-darwin 140.11.1esr
pkgs.thunderbirdPackages.thunderbird-esr
Full-featured e-mail client
-
nixos-unstable 140.11.1esr
- nixpkgs-unstable 140.11.1esr
- nixos-unstable-small 140.11.1esr
-
nixos-26.05 140.11.1esr
- nixos-26.05-small 140.11.1esr
- nixpkgs-26.05-darwin 140.11.1esr
pkgs.pkgsRocm.thunderbird-latest-unwrapped
Full-featured e-mail client
pkgs.thunderbirdPackages.thunderbird-latest
Full-featured e-mail client
pkgs.pkgsRocm.thunderbirdPackages.thunderbird
Full-featured e-mail client
Package maintainers
-
@vcunat Vladimír Čunát <v@cunat.cz>
-
@lovesegfault Bernardo Meurer <meurerbernardo@gmail.com>
-
@booxter Ihar Hrachyshka <ihar.hrachyshka@gmail.com>
-
@nbp Nicolas B. Pierron <nixos@nbp.name>
-
@drupol Pol Dellaiera <pol.dellaiera@protonmail.com>