CVE-2024-50582

In JetBrains YouTrack before 2024.3.47707 stored XSS was possible due to improper HTML sanitization in markdown elements...

CVE-2024-45031

When editing objects in the Syncope Console, incomplete HTML tags could be used to bypass HTML sanitization. This made it possible to inject stored XSS payloads which would trigger for other users during ordinary usage of the application. XSS payloads could also be injected in Syncope Enduser whe...

CVE-2024-56510

@marp-team/marp-core is the core for Marp, which is the ecosystem to write your presentation with plain Markdown. Marp Core from v3.0.2 to v3.9.0 and v4.0.0, are vulnerable to cross-site scripting XSS due to improper neutralization of HTML sanitization. Marp Core v3.9.1 and v4.0.1 have been patch...

CVE-2023-41167

@webiny/react-rich-text-renderer before 5.37.2 allows XSS attacks by content managers. This is a react component to render data coming from Webiny Headless CMS and Webiny Form Builder. Webiny is an open-source serverless enterprise CMS. The @webiny/react-rich-text-renderer package depends on the...

CVE-2023-36459

Mastodon is a free, open-source social network server based on ActivityPub. Starting in version 1.3 and prior to versions 3.5.9, 4.0.5, and 4.1.3, an attacker using carefully crafted oEmbed data can bypass the HTML sanitization performed by Mastodon and include arbitrary HTML in oEmbed preview...

CVE-2023-42452

Mastodon is a free, open-source social network server based on ActivityPub. In versions on the 4.x branch prior to versions 4.0.10, 4.2.8, and 4.2.0-rc2, under certain conditions, attackers can abuse the translation feature to bypass the server-side HTML sanitization, allowing unescaped HTML to...

CVE-2021-32857

Cockpit is a content management system that allows addition of content management functionality to any site. In versions 0.12.2 and prior, bad HTML sanitization in htmleditor.js may lead to cross-site scripting XSS issues. There are no known patches for this issue...

CVE-2020-11051

In Wiki.js before 2.3.81, there is a stored XSS in the Markdown editor. An editor with write access to a page, using the Markdown editor, could inject an XSS payload into the content. If another editor with write access as well load the same page into the Markdown editor, the XSS payload will be...

CVE-2020-8923

An improper HTML sanitization in Dart versions up to and including 2.7.1 and dev versions 2.8.0-dev.16.0, allows an attacker leveraging DOM Clobbering techniques to skip the sanitization and inject custom html/javascript XSS. Mitigation: update your Dart SDK to 2.7.2, and 2.8.0-dev.17.0 for the d...

CVE-2019-5450

Improper sanitization of HTML in directory names in the Nextcloud Android app prior to version 3.7.0 allowed to style the directory name in the header bar when using basic HTML...

CVE-2009-5158

The google-analyticator plugin before 5.2.1 for WordPress has insufficient HTML sanitization for Google Analytics API text...

CVE-2024-45516

An issue was discovered in Zimbra Collaboration ZCS 9.0.0 before Patch 43, 10.0.x before 10.0.12, 10.1.x before 10.1.4, and 8.8.15 before Patch 47. A Cross-Site Scripting XSS vulnerability in the Zimbra Classic UI allows attackers to execute arbitrary JavaScript within the user's session,...

CVE-2024-45516

An issue was discovered in Zimbra Collaboration ZCS 9.0.0 before Patch 43, 10.0.x before 10.0.12, 10.1.x before 10.1.4, and 8.8.15 before Patch 47. A Cross-Site Scripting XSS vulnerability in the Zimbra Classic UI allows attackers to execute arbitrary JavaScript within the user's session,...

CVE-2025-46827 Graylog Allows Session Takeover via Insufficient HTML Sanitization

Graylog is a free and open log management platform. Prior to versions 6.0.14, 6.1.10, and 6.2.0, it is possible to obtain user session cookies by submitting an HTML form as part of an Event Definition Remediation Step field. For this attack to succeed, the attacker needs a user account with...

CVE-2025-46827 Graylog Allows Session Takeover via Insufficient HTML Sanitization

Graylog is a free and open log management platform. Prior to versions 6.0.14, 6.1.10, and 6.2.0, it is possible to obtain user session cookies by submitting an HTML form as part of an Event Definition Remediation Step field. For this attack to succeed, the attacker needs a user account with...

GHSA-76VF-MPMX-777J Graylog Allows Session Takeover via Insufficient HTML Sanitization

Impact It is possible to obtain user session cookies by submitting an HTML form as part of an Event Definition Remediation Step field. For this attack to succeed, the attacker needs a user account with permissions to create event definitions, while the user must have permissions to view alerts...

Cross-site Scripting (XSS)

Overview league/commonmark is a PHP-based Markdown parser which supports the full CommonMark spec. It is based on the CommonMark JS reference implementation. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the AttributesExtension. If the Attributes extension is in...

CLSA-2025-1744892170 gcc: Fix of CVE-2020-11023

CVE-2020-11023: sanitize HTML content passed to DOM manipulation methods to prevent execution of untrusted code...

Security Bulletin: Multiple vulnerabilities found in IBM ApplinX.

Summary IBM ApplinX has been updated in order to address the multiple vulnerabilities. Vulnerability Details CVEID:CVE-2015-9251 DESCRIPTION: jQuery is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability usin...

CVE-2025-30345

An issue was discovered in OpenSlides before 4.2.5. When creating new chats via the chatgroup.create action, the user is able to specify the name of the chat. Some HTML elements such as SCRIPT are filtered, whereas others are not. In most cases, HTML entities are encoded properly, but not when...