CVE-2026-48822

Shaarli is a personal bookmarking service. Versions 0.16.1 and prior contain a stored Cross-Site Scripting XSS vulnerability in the Markdown-to-HTML conversion process used in the Bookmark Description field. An authenticated user can inject a malicious javascript: URI inside a Markdown link. The...

CVE-2026-48822 Shaarli has Stored Cross-Site Scripting (XSS) via Markdown Reference Links

Shaarli is a personal bookmarking service. Versions 0.16.1 and prior contain a stored Cross-Site Scripting XSS vulnerability in the Markdown-to-HTML conversion process used in the Bookmark Description field. An authenticated user can inject a malicious javascript: URI inside a Markdown link. The...

CVE-2026-48591 Stored XSS via unescaped HTML attribute values in earmark

Improper Neutralization of Script in Attributes in a Web Page vulnerability in pragdave earmark allows stored cross-site scripting via unescaped HTML attribute values. 'Elixir.Earmark.Transform':makeatt1/2 in lib/earmark/transform.ex splices attribute values verbatim between two literal " bytes: ...

GHSA-V8QJ-HXV7-MGVV Open WebUI: Stored XSS in Mermaid Markdown Preview

Summary Open WebUI renders Mermaid blocks from Markdown files in the file preview panel and inserts the generated SVG into the DOM using innerHTML. Because Mermaid is configured with securityLevel: 'loose', attacker-controlled Mermaid content can be rendered unsafely in this flow. A working paylo...

Open WebUI: Stored XSS in Mermaid Markdown Preview

Summary Open WebUI renders Mermaid blocks from Markdown files in the file preview panel and inserts the generated SVG into the DOM using innerHTML. Because Mermaid is configured with securityLevel: 'loose', attacker-controlled Mermaid content can be rendered unsafely in this flow. A working paylo...

Cross-site Scripting (XSS)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Cross-site Scripting XSS in the Markdown file preview process when rendering Mermaid blocks with a permissive security configuration. An attacker can execute arbitrary JavaScript in the context of the victim'...

PT-2026-50535

Name of the Vulnerable Software and Affected Versions Shaarli versions prior to 0.16.2 Description A stored Cross-Site Scripting XSS issue exists in the Markdown-to-HTML conversion process used in the Bookmark Description field. An authenticated user can inject a malicious javascript: URI inside ...

Pi Agent: Potential XSS in HTML session exports via Markdown URL sanitization bypass

Potential XSS in HTML session exports via Markdown URL handling Pi HTML exports render session Markdown into a static HTML file. Affected versions did not consistently reject unsafe Markdown link and image URL schemes. In versions with scheme filtering, C0 control characters in the URL scheme cou...

GHSA-7V5M-PR3Q-6453 Pi Agent: Potential XSS in HTML session exports via Markdown URL sanitization bypass

Potential XSS in HTML session exports via Markdown URL handling Pi HTML exports render session Markdown into a static HTML file. Affected versions did not consistently reject unsafe Markdown link and image URL schemes. In versions with scheme filtering, C0 control characters in the URL scheme cou...

Denial Of Service (DoS)

markdown-it is vulnerable to Denial of Service DoS. The vulnerability is due to quadratic-time processing in the smartquotes rule when typographer: true is enabled, which allows an attacker to supply specially crafted markdown containing consecutive quotation marks and consume excessive CPU...

CVE-2026-53841

OpenClaw prior to version 2026.5.12 exposes a stored cross-site scripting risk in exported session HTML. The vulnerability arises because the exported content preserves unsafe javascript: and data: links, enabling browser-side scripts when a trusted operator opens the exported file and activates ...

Security Bulletin: MongoDB Enterprised Advanced affected by: Improper Input Validation (CVE-2025-66400)

Summary There are vulnerabilities in mdast-util-to-hast-13.2.0.tgz used in MongoDB Enterprised Advanced for IBM, involving CVE-2025-66400. The vulnerability has been addressed. Vulnerability Details CVEID:CVE-2025-66400 DESCRIPTION: mdast-util-to-hast is an mdast utility to transform to hast. Fro...

ROOT-APP-PYPI-CVE-2025-69534 CVE-2025-69534 in rootio-Markdown - Patched by Root

Root has patched CVE-2025-69534 in the rootio-Markdown package for Root:PyPI. Multiple fixed versions available...

PT-2026-50182

Name of the Vulnerable Software and Affected Versions @mariozechner/pi-coding-agent versions 0.27.5 through 0.73.1 @earendil-works/pi-coding-agent versions 0.74.0 through 0.78.0 Description Pi HTML exports render session Markdown into a static HTML file but fail to consistently reject unsafe...

markdown-it: Quadratic complexity DoS in smartquotes rule via replaceAt string operations

Summary A quadratic time complexity vulnerability exists in markdown-it's smartquotes rule enabled via the typographer: true option. An attacker can craft a markdown input consisting of consecutive quotation marks that causes the parser to consume excessive CPU time, leading to denial of service...

GHSA-6V5V-WF23-FMFQ markdown-it: Quadratic complexity DoS in smartquotes rule via replaceAt string operations

Summary A quadratic time complexity vulnerability exists in markdown-it's smartquotes rule enabled via the typographer: true option. An attacker can craft a markdown input consisting of consecutive quotation marks that causes the parser to consume excessive CPU time, leading to denial of service...

Inefficient Algorithmic Complexity

Overview org.webjars.npm:markdown-it is a modern pluggable markdown parser. Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity through the replaceAt function in the smartquotes rule when processing markdown input with a large number of consecutive quotation mar...

PT-2026-49555

Name of the Vulnerable Software and Affected Versions markdown-it affected versions not specified Description A quadratic time complexity issue exists in the smartquotes rule when the typographer: true option is enabled. An attacker can provide markdown input containing a large number of...

Security Bulletin: Multiple security vulnerabilities are addressed with IBM Process Mining Interim Fix for May 2026

Summary Multiple vulnerabilities were addressed in IBM Process Mining 2.1.1 IF002 Vulnerability Details CVEID:CVE-2026-7246 DESCRIPTION: Pallets Click, versions 8.3.2 and below, contain a command injection vulnerability in the click.edit function, allowing attackers to pass arbitrary OS commands...

Cross-Site Scripting (XSS)

CKAN is vulnerable to Cross-Site Scripting XSS. The vulnerability is due to insufficient sanitization of user-supplied input in the helpers.markdownextract function before it is wrapped in an HTML literal element, which allows an attacker to inject and execute malicious scripts on dataset,...