Posts tagged: security

A belated writeup of CVE-2022-28201 in MediaWiki

In December 2021, I discovered CVE-2022-28201, which is that it's possible to get MediaWiki's Title::newMainPage() to go into infinite recursion. More specifically, if the local interwikis feature is configured (not used by default, but enabled on Wikimedia wikis), any on-wiki administrator could fully brick the wiki by editing the [[MediaWiki:Mainpage]]…

Choosing a web browser, updated

You're seeing the world through a web browser; what does it see about you? As part of my work on the Freedom of the Press Foundation's Digital Security Team, I updated our guide comparing the privacy and security features of popular browsers in 2020.https://freedom.press/training/-depth-guide-choosing-web-browser/