A vulnerability classified as problematic was found in Thimo Grauerholz WP-Spreadplugin up to 3.8.6.1 on WordPress. This vulnerability affects unknown code of the file spreadplugin.php. The manipulation of the argument Spreadplugin leads to cross site scripting. The attack can be initiated remotely. Upgrading to version 3.8.6.6 is able to address this issue. The name of the patch is a9b9afc641854698e80aa5dd9ababfc8e0e57d69. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-261676.

Cross-site scripting vulnerability in WordPress versions prior to 6.0.3 allows a remote unauthenticated attacker to inject an arbitrary script. The developer also provides new patched releases for all versions since 3.7.

The PayPal Pay Now, Buy Now, Donation and Cart Buttons Shortcode WordPress plugin through 1.7 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

In affected versions of WordPress, a vulnerability in the stats() method of class-wp-object-cache.php can be exploited to execute cross-site scripting (XSS) attacks. This has been patched in version 5.4.1, along with all the previously affected versions via a minor release (5.3.3, 5.2.6, 5.1.5, 5.0.9, 4.9.14, 4.8.13, 4.7.17, 4.6.18, 4.5.21, 4.4.22, 4.3.23, 4.2.27, 4.1.30, 4.0.30, 3.9.31, 3.8.33, 3.7.33).

WordPress before 5.2.3 allows XSS in shortcode previews.

WordPress before 5.2.3 allows XSS in stored comments.

WordPress before 5.2.3 allows reflected XSS in the dashboard.

WordPress before 5.2.3 allows XSS in media uploads because wp_ajax_upload_attachment is mishandled.

In wp-includes/formatting.php in WordPress 3.7 to 5.3.0, the function wp_targeted_link_rel() can be used in a particular way to result in a stored cross-site scripting (XSS) vulnerability. This has been patched in WordPress 5.3.1, along with all the previous WordPress versions from 3.7 to 5.3 via a minor release.

The Customer Reviews for WooCommerce plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 's' parameter in all versions up to, and including, 5.47.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

WordPress before 5.2.4 is vulnerable to a stored XSS attack to inject JavaScript into STYLE elements.

WordPress before 5.2.3 has an issue with URL sanitization in wp_kses_bad_protocol_once in wp-includes/kses.php that can lead to cross-site scripting (XSS) attacks.

Cross-site scripting vulnerability in WordPress versions prior to 6.0.3 allows a remote unauthenticated attacker to inject an arbitrary script. The developer also provides new patched releases for all versions since 3.7.

WordPress before 5.5.2 allows stored XSS via post slugs.

WordPress before 5.5.2 allows XSS associated with global variables.

The mw_editPost function in wp-includes/class-wp-xmlrpc-server.php in the XMLRPC subsystem in WordPress before 4.3.1 allows remote authenticated users to bypass intended access restrictions, and arrange for a private post to be published and sticky, via unspecified vectors.

In WordPress before 4.9.9 and 5.x before 5.0.1, authors could bypass intended restrictions on post types via crafted input.

WordPress before 3.7.2 and 3.8.x before 3.8.2 allows remote authenticated users to publish posts by leveraging the Contributor role, related to wp-admin/includes/post.php and wp-admin/includes/class-wp-posts-list-table.php.

The create_post function in wp-includes/class-wp-atom-server.php in WordPress before 3.4.2 does not perform a capability check, which allows remote authenticated users to bypass intended access restrictions and publish new posts by leveraging the Contributor role and using the Atom Publishing Protocol (aka AtomPub) feature.

WordPress Core is vulnerable to Directory Traversal in versions up to, and including, 6.2, via the ‘wp_lang’ parameter. This allows unauthenticated attackers to access and load arbitrary translation files. In cases where an attacker is able to upload a crafted translation file onto the site, such as via an upload form, this could be also used to perform a Cross-Site Scripting attack.

WordPress through 5.0.3 allows Path Traversal in wp_crop_image(). An attacker (who has privileges to crop an image) can write the output image to an arbitrary directory via a filename containing two image extensions and ../ sequences, such as a filename ending with the .jpg?/../../file.jpg substring.

wp-admin/press-this.php in WordPress before 3.0.6 does not enforce the publish_posts capability requirement, which allows remote authenticated users to perform publish actions by leveraging the Contributor role.

In WordPress before 5.2.3, validation and sanitization of a URL in wp_validate_redirect in wp-includes/pluggable.php could lead to an open redirect if a provided URL path does not start with a forward slash.

A flaw exists in Wordpress related to the 'wp-admin/press-this.php 'script improperly checking user permissions when publishing posts. This may allow a user with 'Contributor-level' privileges to post as if they had 'publish_posts' permission.

WordPress before 4.2.3 does not properly verify the edit_posts capability, which allows remote authenticated users to bypass intended access restrictions and create drafts by leveraging the Subscriber role, as demonstrated by a post-quickdraft-save action to wp-admin/post.php.

The Interactive World Maps plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the search (s) parameter in all versions up to, and including, 2.4.14 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

WordPress before 3.5.2 does not properly check the capabilities of roles, which allows remote authenticated users to bypass intended restrictions on publishing and authorship reassignment via unspecified vectors.

Cross-site scripting (XSS) vulnerability in the Morning Coffee theme before 3.6 for WordPress allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO to index.php.

Cross-site scripting (XSS) vulnerability in the Elegant Grunge theme before 1.0.4 for WordPress allows remote attackers to inject arbitrary web script or HTML via the s parameter.

Cross-site scripting (XSS) vulnerability in the Antisnews theme before 1.10 for WordPress allows remote attackers to inject arbitrary web script or HTML via the s parameter.

Cross-site scripting (XSS) vulnerability in the column_title function in wp-admin/includes/class-wp-media-list-table.php in WordPress before 4.5.3 allows remote attackers to inject arbitrary web script or HTML via a crafted attachment name, a different vulnerability than CVE-2016-5834.

Cross-site scripting (XSS) vulnerability in magpie/scripts/magpie_slashbox.php in RSS Feed Reader 0.1 for WordPress allows remote attackers to inject arbitrary web script or HTML via the rss_url parameter.

Cross-site scripting (XSS) vulnerability in xml/media-rss.php in the NextGEN Gallery plugin before 1.5.2 for WordPress allows remote attackers to inject arbitrary web script or HTML via the mode parameter.

The Royal Elementor Addons and Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's widget containers in all versions up to, and including, 1.3.971 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Cross-site scripting (XSS) vulnerability in wordpress-processing-embed/data/popup.php in the Processing Embed plugin 0.5 for WordPress allows remote attackers to inject arbitrary web script or HTML via the pluginurl parameter.

Cross-site scripting (XSS) vulnerability in feedlist/handler_image.php in the FeedList plugin 2.61.01 for WordPress allows remote attackers to inject arbitrary web script or HTML via the i parameter.

Cross-site scripting (XSS) vulnerability in magpie_debug.php in the Twitter Feed plugin (wp-twitter-feed) 0.3.1 for WordPress allows remote attackers to inject arbitrary web script or HTML via the url parameter.

Cross-site scripting (XSS) vulnerability in wp-admin/press-this.php in WordPress before 2.8.6 allows remote authenticated users to inject arbitrary web script or HTML via the s parameter (aka the selection variable).

Multiple cross-site scripting (XSS) vulnerabilities in wp-includes/class-wp-theme.php in WordPress before 4.4.1 allow remote attackers to inject arbitrary web script or HTML via a (1) stylesheet name or (2) template name to wp-admin/customize.php.

Cross-site scripting (XSS) vulnerability in Roy Tanck tagcloud.swf, as used in the WP-Cumulus plugin before 1.23 for WordPress and the Joomulus module 2.0 and earlier for Joomla!, allows remote attackers to inject arbitrary web script or HTML via the tagcloud parameter in a tags action. Cross-site scripting (XSS) vulnerability in tagcloud.swf in the WP-Cumulus Plug-in before 1.23 for WordPress allows remote attackers to inject arbitrary web script or HTML via the tagcloud parameter.

Cross-site scripting (XSS) vulnerability in vodpod-video-gallery/vodpod_gallery_thumbs.php in the Vodpod Video Gallery Plugin 3.1.5 for WordPress allows remote attackers to inject arbitrary web script or HTML via the gid parameter.

Cross-site scripting (XSS) vulnerability in lembedded-video.php in the Embedded Video plugin 4.1 for WordPress allows remote attackers to inject arbitrary web script or HTML via the content parameter to wp-admin/post.php.

Cross-site scripting (XSS) vulnerability in wp-cumulus.php in the WP-Cumulus Plug-in before 1.22 for WordPress allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Cross-site scripting (XSS) vulnerability in wp-admin/plugins.php in WordPress before 3.0.2 might allow remote attackers to inject arbitrary web script or HTML via a plugin's author field, which is not properly handled during a Delete Plugin action.

Multiple cross-site scripting (XSS) vulnerabilities in wp-login.php in the Register Plus plugin 3.5.1 and earlier for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) firstname, (2) lastname, (3) website, (4) aim, (5) yahoo, (6) jabber, (7) about, (8) pass1, and (9) pass2 parameters in a register action.

Cross-site scripting (XSS) vulnerability in wp-safe-search/wp-safe-search-jx.php in the Safe Search plugin 0.7 for WordPress allows remote attackers to inject arbitrary web script or HTML via the v1 parameter.

Cross-site scripting (XSS) vulnerability in the administrator interface in WordPress before 2.8.2 allows remote attackers to inject arbitrary web script or HTML via a comment author URL.

The Royal Elementor Addons and Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Image Grid & Advanced Text widget HTML tags in all versions up to, and including, 1.3.96 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

WordPress before 4.9.2 has XSS in the Flash fallback files in MediaElement (under wp-includes/js/mediaelement).

WordPress Core, in versions up to 6.0.2, is vulnerable to Authenticated Stored Cross-Site Scripting that can be exploited by users with access to the WordPress post and page editor, typically consisting of Authors, Contributors, and Editors making it possible to inject arbitrary web scripts into posts and pages that execute if the the_meta(); function is called on that page.