CVE-2021-27907

Apache Superset up to and including 0.38.0 allowed the creation of a Markdown component on a Dashboard page for describing chart's related information. Abusing this functionality, a malicious user could inject javascript code executing unwanted action in the context of the user's browser. The...

CVE-2021-28833

Increments Qiita::Markdown before 0.34.0 allows XSS via a crafted gist link, a different vulnerability than CVE-2021-28796...

CVE-2021-28796

Increments Qiita::Markdown before 0.33.0 allows XSS in transformers...

CVE-2022-0488

An issue has been discovered in GitLab CE/EE affecting all versions starting with version 8.10. It was possible to trigger a timeout on a page with markdown by using a specific amount of block-quotes...

CVE-2025-9222

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2.2 before 18.5.5, 18.6 before 18.6.3, and 18.7 before 18.7.1 that could have allowed an authenticated user to achieve stored cross-site scripting by exploiting GitLab Flavored Markdown...

CVE-2019-20871

An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. The Markdown library allows catastrophic backtracking...

CVE-2019-20857

An issue was discovered in Mattermost Server before 5.16.0. It allows attackers to cause a denial of service markdown renderer hang via many backtick characters...

CVE-2025-9222

GitLab CE/EE is affected by CVE-2025-9222 (stored XSS via GitLab Flavored Markdown) across versions 18.2.2–before 18.5.5, 18.6–before 18.6.3, and 18.7–before 18.7.1. The issue is triggered by authenticated user input in Markdown that could be rendered on pages, enabling stored XSS. GitLab has rem...

CVE-2025-9222 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2.2 before 18.5.5, 18.6 before 18.6.3, and 18.7 before 18.7.1 that could have allowed an authenticated user to achieve stored cross-site scripting by exploiting GitLab Flavored Markdown...

CVE-2025-9222 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2.2 before 18.5.5, 18.6 before 18.6.3, and 18.7 before 18.7.1 that could have allowed an authenticated user to achieve stored cross-site scripting by exploiting GitLab Flavored Markdown...

CVE-2025-9222 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2.2 before 18.5.5, 18.6 before 18.6.3, and 18.7 before 18.7.1 that could have allowed an authenticated user to achieve stored cross-site scripting by exploiting GitLab Flavored Markdown...

CVE-2020-10935

Zulip Server before 2.1.3 allows XSS via a Markdown link, with resultant account takeover...

CVE-2024-41481

Typora before 1.9.3 Markdown editor has a cross-site scripting XSS vulnerability via the Mermaid component...

CVE-2023-31194

An improper array index validation vulnerability exists in the GraphPlanar::Write functionality of Diagon v1.0.139. A specially crafted markdown file can lead to memory corruption. A victim would need to open a malicious file to trigger this vulnerability...

CVE-2021-22242

Insufficient input sanitization in Mermaid markdown in GitLab CE/EE version 11.4 and up allows an attacker to exploit a stored cross-site scripting vulnerability via a specially-crafted markdown...

CVE-2022-42967

Caret is vulnerable to an XSS attack when the user opens a crafted Markdown file when preview mode is enabled. This directly leads to client-side code execution...

CVE-2020-24897

The Table Filter and Charts for Confluence Server app before 5.3.25 for Atlassian Confluence allow remote attackers to inject arbitrary HTML or JavaScript via cross site scripting XSS through the provided Markdown markup to the "Table from CSV" macro...

GitLab Enterprise Edition（EE）和GitLab Community Edition（CE） 跨站脚本漏洞

GitLab Enterprise Edition EE and GitLab Community Edition CE are both products of GitLab, Inc. GitLab Enterprise Edition is a content management system. GitLab Enterprise Edition is a content management system. A cross-site scripting vulnerability exists in GitLab Enterprise Edition EE and GitLab...

NiceGUI apps are vulnerable to XSS which uses `ui.sub_pages` and render arbitrary user-provided links

Summary An unsafe implementation in the click event listener used by ui.subpages, combined with attacker-controlled link rendering on the page, causes an XSS when the user actively clicks on the link. Details 1. On click, eventually subpagesnavigate event is emitted...

PT-2026-1960

Name of the Vulnerable Software and Affected Versions GitLab CE/EE versions 18.2.2 through 18.5.4 GitLab CE/EE versions 18.6.0 through 18.6.2 GitLab CE/EE versions 18.7.0 through 18.7.0 Description An issue exists in GitLab CE/EE that allows an authenticated user to achieve stored cross-site...