CVE-2026-1090 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 10.6 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that could have allowed an authenticated user, when the markdownplaceholders feature flag was enabled, to inject JavaScript in a browser due to improper...

CVE-2026-1090

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.6 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that could have allowed an authenticated user, when the markdownplaceholders feature flag was enabled, to inject JavaScript in a browser due to improper...

Gitlab -- vulnerabilities

Gitlab reports: Cross-site Scripting issue in Markdown placeholder processing impacts GitLab CE/EE Denial of Service issue in GraphQL API impacts GitLab CE/EE Denial of Service issue in repository archive endpoint impacts GitLab CE/EE Denial of Service issue in protected branches API impacts GitL...

OpenProject 跨站脚本漏洞

OpenProject is an open-source web-based project management software. Versions of OpenProject prior to 17.2.0 had a cross-site scripting vulnerability. This vulnerability stemmed from improper Markdown rendering validation in OpenProject, especially in the handling of hyperlinks. It could allow...

PT-2026-24713

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.6 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that could have allowed an authenticated user, when the markdown placeholders feature flag was enabled, to inject JavaScript in a browser due to improper...

AI (Artificial Intelligence) - Moderately critical - Information Disclosure - SA-CONTRIB-2026-028

The module and certain submodules AI Automators, AI Translate, AI API Explorer, AI Content Suggestions provide the ability to use an LLM to generate HTML or Markdown and preview it in a browser. Under certain circumstances, rendering of this HTML can lead to exposing secret communications in the...

PT-2026-24739

OpenProject is an open-source, web-based project management software. Prior to 17.2.0, this vulnerability occurs due to improper validation of OpenProject’s Markdown rendering, specifically in the hyperlink handling. This allows an attacker to inject malicious hyperlink payloads that perform DOM...

openSUSE 15 Security Update : python-Markdown (SUSE-SU-2026:0846-1)

The remote openSUSE 15 host has a package installed that is affected by a vulnerability as referenced in the SUSE- SU-2026:0846-1 advisory. This update for python-Markdown fixes the following issue: - CVE-2025-69534: incomplete markup declaration in raw HTML can crash applications that process...

GitLab 跨站脚本漏洞

GitLab is an end-to-end software development platform provided by the American company GitLab. It features built-in version control, issue tracking, code review, and CI/CD Continuous Integration and Delivery capabilities. GitLab has a cross-site scripting vulnerability, which stems from improper...

GitLab 10.6 < 18.7.6 / 18.8 < 18.8.6 / 18.9 < 18.9.2 (CVE-2026-1090)

The version of GitLab installed on the remote host is affected by a vulnerability, as follows: - GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.6 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that could have allowed an authenticated user, when the...

Stored-XSS-in-node-html-markdown-2.0.0

Stored XSS in node-html-markdown ≤ 2.0.0 Overview This re...

GHSA-3C4M-J3G4-HH25 flarum/nicknames extension has display name injection in notification emails (autolink & markdown)

Summary When the flarum/nicknames extension is enabled, a registered user can set their nickname to a string that email clients interpret as a hyperlink. The nickname is inserted verbatim into plain-text notification emails, and recipients may be misled into visiting attacker-controlled domains...

flarum/nicknames extension has display name injection in notification emails (autolink & markdown)

Summary When the flarum/nicknames extension is enabled, a registered user can set their nickname to a string that email clients interpret as a hyperlink. The nickname is inserted verbatim into plain-text notification emails, and recipients may be misled into visiting attacker-controlled domains...

openSUSE Security Advisory (SUSE-SU-2026:0846-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

CVE-2026-30913

The CVE concerns Flarum with the nicknames extension enabled. A user’s nickname is inserted verbatim into plain‑text notification emails, allowing email clients to render it as a hyperlink. This can mislead recipients into visiting attacker‑controlled domains. The issue is tied to nickname handli...

CVE-2026-30913 flarum/nickname: Display name injection in notification emails (autolink & markdown)

Flarum is open-source forum software. When the flarum/nicknames extension is enabled, a registered user can set their nickname to a string that email clients interpret as a hyperlink. The nickname is inserted verbatim into plain-text notification emails, and recipients may be misled into visiting...

Stored Cross-Site Scripting (XSS)

Open WebUI is vulnerable to Stored Cross-Site Scripting XSS. The vulnerability is due to improper sanitization of Markdown content in the Notes PDF export functionality, allowing attackers to embed malicious SVG tags that execute arbitrary JavaScript when the note is downloaded as a PDF,...

CVE-2026-29082

Kestra is an event-driven orchestration platform. In versions from 1.1.10 and prior, Kestra’s execution-file preview renders user-supplied Markdown .md with markdown-it instantiated as html:true and injects the resulting HTML with Vue’s v-html without sanitisation. At time of publication, there a...

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 DisallowedRawHtml extension when a newline, tab, or...

CVE-2026-30838

league/commonmark is a PHP Markdown parser. Prior to version 2.8.1, the DisallowedRawHtml extension can be bypassed by inserting a newline, tab, or other ASCII whitespace character between a disallowed HTML tag name and the closing . For example, would pass through unfiltered and be rendered as a...