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Bugfix: Fix XSS via action GET parameter.

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Ref CVE-2021-38601

Serously, don't make public GitHub repos before contacting me!

https://github.com/hmaverickadams/CVE-2021-38601
This commit is contained in:
Starbeamrainbowlabs 2021-09-02 21:08:01 +01:00
parent 5dbca32844
commit 7f48302f1a
Signed by: sbrl
GPG key ID: 1BE5172E637709C2
1 changed files with 1 additions and 1 deletions
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2
core/45-environment-deferred.php
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@ -28,4 +28,4 @@ if($env->is_history_revision)
else if(isset($pageindex->{$env->page}))
$env->page_filename .= $pageindex->{$env->page}->filename;
$env->action = strtolower($_GET["action"]);
$env->action = preg_replace("/[^a-z0-9\-_]/", "", strtolower($_GET["action"]));