diff options
Diffstat (limited to 'includes/parser/Parser.php')
-rw-r--r-- | includes/parser/Parser.php | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/includes/parser/Parser.php b/includes/parser/Parser.php index c07a08ac..12953167 100644 --- a/includes/parser/Parser.php +++ b/includes/parser/Parser.php @@ -129,9 +129,14 @@ class Parser { * * Must not consist of all title characters, or else it will change * the behavior of <nowiki> in a link. + * + * Must have a character that needs escaping in attributes, otherwise + * someone could put a strip marker in an attribute, to get around + * escaping quote marks, and break out of the attribute. Thus we add + * `'". */ - const MARKER_SUFFIX = "-QINU\x7f"; - const MARKER_PREFIX = "\x7fUNIQ-"; + const MARKER_SUFFIX = "-QINU`\"'\x7f"; + const MARKER_PREFIX = "\x7f'\"`UNIQ-"; # Markers used for wrapping the table of contents const TOC_START = '<mw:toc>'; @@ -1862,11 +1867,22 @@ class Parser { */ public function getExternalLinkAttribs( $url = false ) { $attribs = array(); - $attribs['rel'] = self::getExternalLinkRel( $url, $this->mTitle ); - - if ( $this->mOptions->getExternalLinkTarget() ) { - $attribs['target'] = $this->mOptions->getExternalLinkTarget(); + $rel = self::getExternalLinkRel( $url, $this->mTitle ); + + $target = $this->mOptions->getExternalLinkTarget(); + if ( $target ) { + $attribs['target'] = $target; + if ( !in_array( $target, array( '_self', '_parent', '_top' ) ) ) { + // T133507. New windows can navigate parent cross-origin. + // Including noreferrer due to lacking browser + // support of noopener. Eventually noreferrer should be removed. + if ( $rel !== '' ) { + $rel .= ' '; + } + $rel .= 'noreferrer noopener'; + } } + $attribs['rel'] = $rel; return $attribs; } |