5 matches found
CVE-2025-3909
Thunderbird's handling of the X-Mozilla-External-Attachment-URL header can be exploited to execute JavaScript in the file:/// context. By crafting a nested email attachment message/rfc822 and setting its content type to application/pdf, Thunderbird may incorrectly render it as HTML when opened,...
CVE-2025-3909
Thunderbird's handling of the X-Mozilla-External-Attachment-URL header can be exploited to execute JavaScript in the file:/// context. By crafting a nested email attachment message/rfc822 and setting its content type to application/pdf, Thunderbird may incorrectly render it as HTML when opened,...
CVE-2025-3909
Mozilla Thunderbird's handling of the X-Mozilla-External-Attachment-URL header allows for JavaScript execution in the file:/// context. An attacker can craft a nested email attachment (message/rfc822 ) with a content type of application/pdf . Thunderbird may incorrectly render this as HTML when o...
CVE-2025-3909 JavaScript Execution via Spoofed PDF Attachment and file:/// Link
Thunderbird's handling of the X-Mozilla-External-Attachment-URL header can be exploited to execute JavaScript in the file:/// context. By crafting a nested email attachment message/rfc822 and setting its content type to application/pdf, Thunderbird may incorrectly render it as HTML when opened,...
