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Cross-Site Scripting

Cross-Site Scripting enables an attacker to inject code into the response of a web-request that is viewed by other users. It can for example be used to bypass access controls, or even to take over other users' accounts.

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File Exposure allows an attacker to gain access to local files that he should not be able to access. These files can for example include database credentials, or other configuration files.

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Object Injection enables an attacker to inject an object into PHP code, and can lead to arbitrary code execution, file exposure, or file manipulation attacks.

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Response Splitting can be used to send arbitrary responses.

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XPath Injection enables an attacker to modify the parts of XML document that are read. If that XML document is for example used for authentication, this can lead to further vulnerabilities similar to SQL Injection.

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This category comprises other attack vectors such as manipulating the PHP runtime, loading custom extensions, freezing the runtime, or similar.

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Regex Injection enables an attacker to execute arbitrary code in your PHP process.

XML Injection

XML Injection enables an attacker to read files on your local filesystem including configuration files, or can be abused to freeze your web-server process.

Variable Injection

Variable Injection enables an attacker to overwrite program variables with custom data, and can lead to further vulnerabilities.

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inc/Ui/Media/DisplayRow.php (2 issues)

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Bug 2

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Minor 2

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<?php

namespace dokuwiki\Ui\Media;

use dokuwiki\Utf8\PhpString;

/**
 * Display a MediaFile in the Media Popup
 */
class DisplayRow extends DisplayTile
{
    /** @inheritDoc */
    public function show()
    {
        global $lang;
        // FIXME Zebra classes have been dropped and need to be readded via CSS

        $id = $this->mediaFile->getId();
        $class = 'select mediafile mf_' . $this->mediaFile->getIcoClass();
        $info = trim($this->formatDimensions('') . ' ' . $this->formatDate() . ' ' . $this->formatFileSize());
        $jump = $this->scrollIntoView ? 'id="scroll__here"' : '';

        echo '<div title="' . $id . '" ' . $jump . '>';
        echo '<a id="h_:' . $id . '" class="' . $class . '">' .
            $this->formatDisplayName() .
            '</a> ';
        echo '<span class="info">(' . $info . ')</span>' . NL;

        // view button
        $link = ml($id, '', true);
        echo ' <a href="' . $link . '" target="_blank"><img src="' . DOKU_BASE . 'lib/images/magnifier.png" ' .
            'alt="' . $lang['mediaview'] . '" title="' . $lang['mediaview'] . '" class="btn" /></a>';

        // mediamanager button
        $link = wl('', array('do' => 'media', 'image' => $id, 'ns' => getNS($id)));
        echo ' <a href="' . $link . '" target="_blank"><img src="' . DOKU_BASE . 'lib/images/mediamanager.png" ' .
            'alt="' . $lang['btn_media'] . '" title="' . $lang['btn_media'] . '" class="btn" /></a>';

        // delete button
        if ($this->mediaFile->isWritable() && $this->mediaFile->userPermission() >= AUTH_DELETE) {
            $link = DOKU_BASE . 'lib/exe/mediamanager.php?delete=' . rawurlencode($id) .
                '&amp;sectok=' . getSecurityToken();
            echo ' <a href="' . $link . '" class="btn_media_delete" title="' . $id . '">' .
                '<img src="' . DOKU_BASE . 'lib/images/trash.png" alt="' . $lang['btn_delete'] . '" ' .
                'title="' . $lang['btn_delete'] . '" class="btn" /></a>';
        }

        echo '<div class="example" id="ex_' . str_replace(':', '_', $id) . '">';
        echo $lang['mediausage'] . ' <code>{{:' . $id . '}}</code>';
        echo '</div>';
        if ($this->mediaFile->getWidth()) $this->showDetails();
        echo '<div class="clearer"></div>' . NL;
        echo '</div>' . NL;

    }

    /**
     * Show Thumbnail and EXIF data
     */
    protected function showDetails()
    {
        $id = $this->mediaFile->getId();

        echo '<div class="detail">';
        echo '<div class="thumb">';
        echo '<a id="d_:' . $id . '" class="select">';
        echo $this->getPreviewHtml(120, 120);
        echo '</a>';
        echo '</div>';

        // read EXIF/IPTC data
        $t = $this->mediaFile->getMeta()->getField(array('IPTC.Headline', 'xmp.dc:title'));
        $d = $this->mediaFile->getMeta()->getField(array(
            'IPTC.Caption',
            'EXIF.UserComment',
            'EXIF.TIFFImageDescription',
            'EXIF.TIFFUserComment',
        ));
        if (PhpString::strlen($d) > 250) $d = PhpString::substr($d, 0, 250) . '...';
        $k = $this->mediaFile->getMeta()->getField(array('IPTC.Keywords', 'IPTC.Category', 'xmp.dc:subject'));

        // print EXIF/IPTC data
        if ($t || $d || $k) {
            echo '<p>';
            if ($t) echo '<strong>' . hsc($t) . '</strong><br />';
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
            if ($d) echo hsc($d) . '<br />';
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
            if ($t) echo '<em>' . hsc($k) . '</em>';
            echo '</p>';
        }
        echo '</div>';
    }

}


1			<?php
2
3			namespace dokuwiki\Ui\Media;
4
5			use dokuwiki\Utf8\PhpString;
6
7			/**
8			* Display a MediaFile in the Media Popup
9			*/
10			class DisplayRow extends DisplayTile
11			{
12			/** @inheritDoc */
13			public function show()
14			{
15			global $lang;
16			// FIXME Zebra classes have been dropped and need to be readded via CSS
17
18			$id = $this->mediaFile->getId();
19			$class = 'select mediafile mf_' . $this->mediaFile->getIcoClass();
20			$info = trim($this->formatDimensions('') . ' ' . $this->formatDate() . ' ' . $this->formatFileSize());
21			$jump = $this->scrollIntoView ? 'id="scroll__here"' : '';
22
23			echo '<div title="' . $id . '" ' . $jump . '>';
24			echo '<a id="h_:' . $id . '" class="' . $class . '">' .
25			$this->formatDisplayName() .
26			'</a> ';
27			echo '<span class="info">(' . $info . ')</span>' . NL;
28
29			// view button
30			$link = ml($id, '', true);
31			echo ' <a href="' . $link . '" target="_blank"><img src="' . DOKU_BASE . 'lib/images/magnifier.png" ' .
32			'alt="' . $lang['mediaview'] . '" title="' . $lang['mediaview'] . '" class="btn" /></a>';
33
34			// mediamanager button
35			$link = wl('', array('do' => 'media', 'image' => $id, 'ns' => getNS($id)));
36			echo ' <a href="' . $link . '" target="_blank"><img src="' . DOKU_BASE . 'lib/images/mediamanager.png" ' .
37			'alt="' . $lang['btn_media'] . '" title="' . $lang['btn_media'] . '" class="btn" /></a>';
38
39			// delete button
40			if ($this->mediaFile->isWritable() && $this->mediaFile->userPermission() >= AUTH_DELETE) {
41			$link = DOKU_BASE . 'lib/exe/mediamanager.php?delete=' . rawurlencode($id) .
42			'&sectok=' . getSecurityToken();
43			echo ' <a href="' . $link . '" class="btn_media_delete" title="' . $id . '">' .
44			'<img src="' . DOKU_BASE . 'lib/images/trash.png" alt="' . $lang['btn_delete'] . '" ' .
45			'title="' . $lang['btn_delete'] . '" class="btn" /></a>';
46			}
47
48			echo '<div class="example" id="ex_' . str_replace(':', '_', $id) . '">';
49			echo $lang['mediausage'] . ' <code>{{:' . $id . '}}</code>';
50			echo '</div>';
51			if ($this->mediaFile->getWidth()) $this->showDetails();
52			echo '<div class="clearer"></div>' . NL;
53			echo '</div>' . NL;
54
55			}
56
57			/**
58			* Show Thumbnail and EXIF data
59			*/
60			protected function showDetails()
61			{
62			$id = $this->mediaFile->getId();
63
64			echo '<div class="detail">';
65			echo '<div class="thumb">';
66			echo '<a id="d_:' . $id . '" class="select">';
67			echo $this->getPreviewHtml(120, 120);
68			echo '</a>';
69			echo '</div>';
70
71			// read EXIF/IPTC data
72			$t = $this->mediaFile->getMeta()->getField(array('IPTC.Headline', 'xmp.dc:title'));
73			$d = $this->mediaFile->getMeta()->getField(array(
74			'IPTC.Caption',
75			'EXIF.UserComment',
76			'EXIF.TIFFImageDescription',
77			'EXIF.TIFFUserComment',
78			));
79			if (PhpString::strlen($d) > 250) $d = PhpString::substr($d, 0, 250) . '...';
80			$k = $this->mediaFile->getMeta()->getField(array('IPTC.Keywords', 'IPTC.Category', 'xmp.dc:subject'));
81
82			// print EXIF/IPTC data
83			if ($t \|\| $d \|\| $k) {
84			echo '<p>';
85			if ($t) echo '<strong>' . hsc($t) . '</strong><br />';
			0 ignored issues – show Bug introduced 2021-01-05 19:58 UTC by Report Bug Copy Issue Report Show Similar Issues like this It seems like `$t` defined by `$this->mediaFile->getMet...line', 'xmp.dc:title'))` on line `72` can also be of type `array<string,?>`; however, `hsc()` does only seem to accept `string`, maybe add an additional type check? If a method or function can return multiple different values and unless you are sure that you only can receive a single value in this context, we recommend to add an additional type check: /** * @return array\|string */ function returnsDifferentValues($x) { if ($x) { return 'foo'; } return array(); } $x = returnsDifferentValues($y); if (is_array($x)) { // $x is an array. } If this a common case that PHP Analyzer should handle natively, please let us know by opening an issue. Loading history...
86			if ($d) echo hsc($d) . '<br />';
			0 ignored issues – show Bug introduced 2021-01-05 19:58 UTC by Report Bug Copy Issue Report Show Similar Issues like this It seems like `$d` defined by `$this->mediaFile->getMet...EXIF.TIFFUserComment'))` on line `73` can also be of type `array<string,?>`; however, `hsc()` does only seem to accept `string`, maybe add an additional type check? If a method or function can return multiple different values and unless you are sure that you only can receive a single value in this context, we recommend to add an additional type check: /** * @return array\|string */ function returnsDifferentValues($x) { if ($x) { return 'foo'; } return array(); } $x = returnsDifferentValues($y); if (is_array($x)) { // $x is an array. } If this a common case that PHP Analyzer should handle natively, please let us know by opening an issue. Loading history...
87			if ($t) echo '<em>' . hsc($k) . '</em>';
88			echo '</p>';
89			}
90			echo '</div>';
91			}
92
93			}
94

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Issues (847)

Security Analysis not enabled

inc/Ui/Media/DisplayRow.php (2 issues)

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