CVE-2018-12373 describes a vulnerability in Mozilla Thunderbird versions prior to 52.9, where decrypted S/MIME parts hidden with CSS or the plaintext HTML tag could leak plaintext when included in an HTML reply or forward. This medium-severity vulnerability (CVSS 6.5) has a network attack vector and low attack complexity, potentially leading to high confidentiality impact without affecting integrity or availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 52.9.0CPE matchmatch criteria | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | ||
6.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | ||
7.5CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:7.5:*:*:*:*:*:*:* | ||
7.6CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:7.6:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.