UpHeron
All vulnerabilities

Servers and applications

CVE-2021-46148

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. Some unprivileged users can view confidential information (e.g., IP addresses and User-Agent headers for election traffic) on a testwiki SecurePoll instance.

Severity
Medium 6.5
Published
10 Jan 2022
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
1.35.5, 1.36.3, 1.37.1
Sources
NVD

Affected software

SoftwareAffected versions
MediaWikiServers and applications · cpe:a:mediawiki:mediawiki
  • Every version before 1.35.5
  • From 1.36.0 before 1.36.3
  • From 1.37.0 before 1.37.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-46148
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-46148