CVE-2026-66912

Zimbra is vulnerable to Stored Cross-Site Scripting XSS via the From email header during HTML reply composition in Classic UI. Due to insufficient sanitization of the From header value, a remote attacker can send a crafted email containing a malicious From header with an embedded JavaScript...

CVE-2026-66912

The Zimbra mail server is vulnerable to Stored Cross-Site Scripting (XSS) due to insufficient sanitization of the From email header value. An attacker can send a crafted email containing a malicious JavaScript payload in the header. When a victim opens this message in the Classic UI and clicks Re...

EUVD-2026-112942

Zimbra is vulnerable to Stored Cross-Site Scripting XSS via the From email header during HTML reply composition in Classic UI. Due to insufficient sanitization of the From header value, a remote attacker can send a crafted email containing a malicious From header with an embedded JavaScript...

EUVD-2018-4347

Malware in sbrugna...

DEBIAN-CVE-2019-11739

Encrypted S/MIME parts in a crafted multipart/alternative message can leak plaintext when included in a a HTML reply/forward. This vulnerability affects Thunderbird 68.1 and Thunderbird 60.9...

CVE-2019-11739

Encrypted S/MIME parts in a crafted multipart/alternative message can leak plaintext when included in a a HTML reply/forward. This vulnerability affects Thunderbird 68.1 and Thunderbird 60.9...

CVE-2019-11739

Encrypted S/MIME parts in a crafted multipart/alternative message can leak plaintext when included in a a HTML reply/forward. This vulnerability affects Thunderbird 68.1 and Thunderbird 60.9...

CVE-2019-11739: Cleartext Transmission of Sensitive Information

Encrypted S/MIME parts in a crafted multipart/alternative message can leak plaintext when included in a a HTML reply/forward. This vulnerability affects Thunderbird 68.1 and Thunderbird 60.9...

CVE-2019-11739

Encrypted S/MIME parts in a crafted multipart/alternative message can leak plaintext when included in a a HTML reply/forward. This vulnerability affects Thunderbird 68.1 and Thunderbird 60.9...

CVE-2018-12373: Exposure of Sensitive Information to an Unauthorized Actor

dDecrypted S/MIME parts hidden with CSS or the plaintext HTML tag can leak plaintext when included in a HTML reply/forward. This vulnerability affects Thunderbird 52.9...

CVE-2018-12372: Exposure of Sensitive Information to an Unauthorized Actor

Decrypted S/MIME parts, when included in HTML crafted for an attack, can leak plaintext when included in a a HTML reply/forward. This vulnerability affects Thunderbird 52.9...