CVE-2019-16738 is an information disclosure vulnerability affecting MediaWiki through version 1.33.0, including various Debian and Fedora distributions. It allows an attacker to reveal suppressed usernames through a User ID Lookup via the Special:Redirect function. Rated as Medium severity (CVSS 5.3), this vulnerability is easily exploitable over the network with low attack complexity and no user interaction required, leading to a limited impact on confidentiality. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.31.0, < 1.31.4CPE matchmatch criteria | cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* | ||
>= 1.32.0, < 1.32.4CPE matchmatch criteria | cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* | ||
>= 1.33.0, < 1.33.1CPE matchmatch criteria | cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* | ||
30CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* | ||
31CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.