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Block PHP execution outside index.php in the lighttpd and IIS samples #264

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Merged
LukeTowers merged 1 commit into from
Sep 26, 2026
Merged

Block PHP execution outside index.php in the lighttpd and IIS samples #264

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22 changes: 21 additions & 1 deletion setup/configuration.md
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Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,9 @@ location / {
rewrite ^/.*$ /index.php last;
}

# Pass the PHP scripts to FastCGI server
# Pass the PHP scripts to FastCGI server.
# Note this matches `/index.php` only, and deliberately so: it is what stops any other PHP
# file in the document root from being executed. Do not broaden it to `location ~ \.php$`.
location ~ ^/index.php {
# Write your FPM configuration here

Expand Down Expand Up @@ -137,6 +139,10 @@ $HTTP["host"] =~ "domain.example.com" {
# - /storage/temp/public: Public temporary files
# Note: /storage/app/uploads/protected is NOT exposed here
url.rewrite-once = (
# Block all PHP files, except index. This must come first: the passthrough rules
# below serve their paths as-is, so without this a PHP file written anywhere under
# them would be handed to the PHP handler.
"^/(?!index\.php(\?.*|)$).*\.php(\?.*|)$" => "/index.php",
"^/(plugins|modules/(system|backend|cms))/(([\w-]+/)+|/|)assets/([\w-]+/)+[-\w^&'@{}[\],$=!#().%+~/ ]+\.(jpg|jpeg|gif|png|svg|swf|avi|mpg|mpeg|mp3|flv|ico|css|js|woff|ttf)(\?.*|)$" => "$0",
"^/(system|themes/[\w-]+)/assets/([\w-]+/)+[-\w^&'@{}[\],$=!#().%+~/ ]+\.(jpg|jpeg|gif|png|svg|swf|avi|mpg|mpeg|mp3|flv|ico|css|js|woff|ttf)(\?.*|)$" => "$0",
"^/storage/app/uploads/public/[\w-]+/.*$" => "$0",
Expand Down Expand Up @@ -167,6 +173,20 @@ If your webserver is running Internet Information Services (IIS) you can use the
- /storage/temp/public: Public temporary files
Note: /storage/app/uploads/protected is NOT exposed here
-->
<!--
Block all PHP files, except index. This must come first: the rule below
excludes several paths from being handled by Winter so that the server
serves them directly, and without this a PHP file written anywhere under
those paths would be handed to the PHP handler.
-->
<rule name="Block all PHP files, except index" stopProcessing="true">
<match url="\.php$" />
<conditions>
<add input="{REQUEST_FILENAME}" pattern="(^|/)index\.php$" ignoreCase="true" negate="true" />
</conditions>
<action type="Rewrite" url="index.php" />
</rule>

<rule name="Winter CMS to handle all non-whitelisted URLs" stopProcessing="true">
<match url="^index.php" negate="true" />
<conditions logicalGrouping="MatchAll">
Expand Down
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