this post was submitted on 21 Oct 2026
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explain xkcd is down for maintenance (October 20, 2026) What happened?
Today, a remote code execution vulnerability was found in PHP, called php2shell. The exploit was quickly independently reproduced and publicized, and the php patch will not drop until tomorrow. Since explain xkcd is affected by this exploit, I have decided to take the wiki down until tomorrow. When will the site be back up?
explain xkcd will come back up tomorrow, October 21, once I wake up and have a chance to install the new patch.
yes indeed it's another exciting day in computer security... the prudent thing for PHP sites to do right now is to stay offline until the impending PHP update is published, which is currently still scheduled for 14:00 UTC (still 75 minutes from now) despite the fact that the vulnerability details seem to have leaked more than 12 hours ago ๐ฌ ๐ฟ
until it comes back you can read explainxkcd via archive.org: https://web.archive.org/web/20260919100810/https://www.explainxkcd.com/wiki/index.php/927:_Standards
Yikes. This is the first I'm hearing of this and it's pretty scary.
is there a reason everyone uses PHP?
just tradition. same reason everyone still uses a lotta shitty things
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