StudyMD security vulnerabilities

StudyMD is a Markdown reader developed by Jotron’s individual developers. Version 0.3.2 of StudyMD contains a security vulnerability; this vulnerability stems from allowing malicious scripts to be injected into Markdown files, potentially leading to remote code execution...

PT-2026-3291

Markdown Explorer 0.1.1 contains a cross-site scripting vulnerability that allows attackers to inject malicious code through file uploads and editor inputs. Attackers can upload markdown files with embedded JavaScript payloads to execute remote commands and potentially gain system access...

CVE-2026-22813

OpenCode is an open source AI coding agent. The markdown renderer used for LLM responses will insert arbitrary HTML into the DOM. There is no sanitization with DOMPurify or even a CSP on the web interface to prevent JavaScript execution via HTML injection. This means controlling the LLM response...

BIT-GITLAB-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...

Spring AI Agentic Patterns (Part 1): Agent Skills - Modular, Reusable Capabilities

Agent Skills are modular folders of instructions, scripts, and resources that AI agents can discover and load on demand. Instead of hardcoding knowledge into prompts or creating specialized tools for every task, skills provide a flexible way to extend agent capabilities. Spring AI's implementatio...

CVE-2026-22813

OpenCode is an open source AI coding agent. The markdown renderer used for LLM responses will insert arbitrary HTML into the DOM. There is no sanitization with DOMPurify or even a CSP on the web interface to prevent JavaScript execution via HTML injection. This means controlling the LLM response...

CVE-2026-22813 Malicious website can execute commands on the local system through XSS in the OpenCode web UI

OpenCode is an open source AI coding agent. The markdown renderer used for LLM responses will insert arbitrary HTML into the DOM. There is no sanitization with DOMPurify or even a CSP on the web interface to prevent JavaScript execution via HTML injection. This means controlling the LLM response...

opencode 安全漏洞

opencode is an AI programming intelligence open-sourced by Anomaly. A security vulnerability exists in versions prior to opencode 1.1.10, which stems from the Markdown renderer not cleaning up the LLM response, and could lead to the execution of JavaScript via HTML injection...

PT-2026-2316

Name of the Vulnerable Software and Affected Versions OpenCode versions prior to 1.1.10 Description The software is an open source AI coding agent. The markdown renderer used for responses from large language models inserts arbitrary HTML into the Document Object Model DOM without sanitization...

CVE-2023-43263

A Cross-site scripting XSS vulnerability in Froala Editor v.4.1.1 allows attackers to execute arbitrary code via the Markdown component...

CVE-2023-29641

Cross Site Scripting XSS vulnerability in pandao editor.md thru 1.5.0 allows attackers to inject arbitrary web script or HTML via crafted markdown text...

CVE-2023-50175

Stored cross-site scripting vulnerability exists in the App Settings /admin/app page, the Markdown Settings /admin/markdown page, and the Customize /admin/customize page of GROWI versions prior to v6.0.0. If this vulnerability is exploited, an arbitrary script may be executed on the web browser o...

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...