CVE-2023-3550 is a critical vulnerability affecting MediaWiki v1.40.0 and Debian distributions, stemming from insufficient validation of namespaces in XML files. A low-privileged attacker can exploit this by sending a malicious link to an administrator, potentially gaining administrative privileges if XML file uploads are permitted. With a CVSS score of 9.0 (Critical), this vulnerability has a network attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.40.0CPE matchmatch criteria | cpe:2.3:a:mediawiki:mediawiki:1.40.0:-:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | ||
11.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.6 Bluesky, 0.3 Mastodon, and 1.6 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.