An issue was discovered in Mattermost Server before 2.2.0. It allows XSS because it configures files to be opened in a browser window.

An issue was discovered in Mattermost Server before 3.0.0. It allows XSS via a redirect URL.

Mattermost Jira plugin versions shipped with Mattermost versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3 fail to escape user-controlled outputs when generating HTML pages, which allows an attacker to perform reflected cross-site scripting attacks against the users of the Mattermost server.

A reflected cross-site scripting vulnerability in the OAuth flow completion endpoints in Mattermost allows an attacker to send AJAX requests on behalf of the victim via sharing a crafted link with a malicious state parameter.

An issue was discovered in Mattermost Server before 3.1.0. It allows XSS because the noreferrer and noopener protection mechanisms were not in place.

An issue was discovered in Mattermost Server before 3.5.1. XSS can occur via file preview.

An issue was discovered in Mattermost Server before 2.2.0. It allows XSS via a crafted link.

An issue was discovered in Mattermost Server before 3.0.0. It allows XSS via a Legal or Support setting.

An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. Display names allow XSS.

Fixed a bypass for a reflected cross-site scripting vulnerability affecting OAuth-enabled instances of Mattermost.

Mattermost version 8.1.6 and earlier fails to sanitize channel mention data in posts, which allows an attacker to inject markup in the web client.

Mattermost 5.38 and earlier fails to sufficiently sanitize clipboard contents, which allows a user-assisted attacker to inject arbitrary web script in product deployments that explicitly disable the default CSP.

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS could occur via a goto_location response to a slash command.

An issue was discovered in Mattermost Server before 3.6.0 and 3.5.2. XSS can occur via a link on an error page.

An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. XSS can occur via a link on an error page.

An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2. It allows XSS via an uploaded file.

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS could occur via the author_link field of a Slack attachment.

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS attacks could occur against an OAuth 2.0 allow/deny page.

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS could occur via the title_link field of a Slack attachment.

An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2. XSS could occur via a channel header.

Mattermost Desktop App versions <=5.7.0 fail to correctly prompt for permission when opening external URLs which allows a remote attacker to force a victim over the Internet to run arbitrary programs on the victim's system via custom URI schemes.

An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It allows Phishing because an error page can have a link.

An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5, when used as an OAuth 2.0 service provider. It mishandles a deny action for a redirection.

An issue was discovered in Mattermost Server before 2.1.0. It allows XSS via CSRF.

An issue was discovered in Mattermost Desktop App before 4.4.0. Attackers can open web pages in the desktop application because server redirection is mishandled, aka MMSA-2020-0008.

Mattermost fails to properly check a redirect URL parameter allowing for an open redirect was possible when the user clicked "Back to Mattermost" after providing a invalid custom url scheme in /oauth/{service}/mobile_login?redirect_to=

An issue was discovered in Mattermost Server before 5.18.0, 5.17.2, 5.16.4, 5.15.4, and 5.9.7. An attacker can spoof a direct-message channel by changing the type of a channel.

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows an attacker to create a button that, when pressed by a user, launches an API request.

An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. E-mail templates can have a field in which HTML content is not neutralized.

Boards in Mattermost allows an attacker to upload a malicious SVG image file as an attachment to a card and share it using a direct link to the file.

Mattermost 6.3.0 and earlier fails to properly sanitize the HTML content in the email invitation sent to guest users, which allows registered users with special permissions to invite guest users to inject unescaped HTML content in the email invitations.

An issue was discovered in Mattermost Server before 3.1.0. It allows XSS via theme color-code values.

The all-in-one-wp-security-and-firewall plugin before 4.2.0 for WordPress has multiple XSS issues.

JetBrains TeamCity before 2021.2.1 was vulnerable to reflected XSS.

OURPHP <= 7.2.0 is vulnerable to Cross Site Scripting (XSS) via ourphp_tz.php.

Cross-site scripting (XSS) vulnerability in HP SiteScope 9.54, 10.13, 11.01, and 11.1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Planon before Live Build 41 has XSS.

idccms v1.35 is vulnerable to Cross Site Scripting (XSS) within the 'Image Advertising Management.'

Multiple cross-site scripting (XSS) vulnerabilities in Redmine 0.8.5 and earlier allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Toast UI Grid is a component to display and edit data. Versions prior to 4.21.3 are vulnerable to cross-site scripting attacks when pasting specially crafted content into editable cells. This issue was fixed in version 4.21.3. There are no known workarounds.

Multiple cross-site scripting (XSS) vulnerabilities in Cherry-Design Photopad 1.2.0 allow remote attackers to inject arbitrary web script or HTML via the (1) id or (2) data[title] parameters in an edit action to files.php, or (3) id parameter in a view action to gallery.php.

Cross-site scripting (XSS) vulnerability in SolutionSearch.do in ManageEngine ServiceDesk Plus (SDP) before 8012 allows remote attackers to inject arbitrary web script or HTML via the searchText parameter.

Cross-site scripting (XSS) vulnerability in search.php in AR Web Content Manager (AWCM) 2.1, 2.2, and possibly other versions allows remote attackers to inject arbitrary web script or HTML via the search parameter.

The Chamber Dashboard Business Directory plugin 3.2.8 for WordPress allows XSS.

Cross-site scripting (XSS) vulnerability in Canon IT Solutions Inc. ACCESSGUARDIAN 3.0.14 and earlier, and 3.5.6 and earlier, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors related to authentication.

Cross-site scripting (XSS) vulnerability in cwhp/device.center.do in the Help servlet in Cisco CiscoWorks Common Services 3.3 and earlier allows remote attackers to inject arbitrary web script or HTML via the device parameter, aka Bug ID CSCto12704.

Cross-site scripting (XSS) vulnerability in the tibbr web server, as used in TIBCO tibbr 1.0.0 through 1.5.0 and tibbr Service 1.0.0 through 1.5.0, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

IBM Concert Software 1.0.0 through 1.0.1 is vulnerable to cross-site scripting. This vulnerability allows an unauthenticated attacker to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.

The Genesis Blocks WordPress plugin through 3.1.3 does not properly escape attributes provided to some of its custom blocks, making it possible for users allowed to write posts (like those with the contributor role) to conduct Stored XSS attacks.

SAP NetWeaver Enterprise Portal - versions 7.30, 7.31, 7.40, 7.50, does not sufficiently encode user-controlled inputs, resulting in reflected Cross-Site Scripting (XSS) vulnerability.This reflected cross-site scripting attack can be used to non-permanently deface or modify displayed content of portal Website. The execution of the script content by a victim registered on the portal could compromise the confidentiality and integrity of victim’s web browser.