CVE-2018-12374

thunderbird: Using form to exfiltrate encrypted mail part by pressing enter in form field

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Severity

Moderate

Red Hat Product Security

4.3

CVSS 3.0

Review impact separately from score.

Published · July 4, 2018

Updated · January 14, 2026

Description

Plaintext of decrypted emails can leak through by user submitting an embedded form by pressing enter key within a text input field. This vulnerability affects Thunderbird < 52.9.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 4.3
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

CWE-356 · Product UI does not Warn User of Unsafe Actions