CVE-2026-108852

Deep Chat through 2.5.1 contains a cross-site scripting vulnerability that allows attackers to inject javascript: links because RemarkableConfig.createNew disables Remarkable link validation. Attackers can place crafted Markdown links in AI responses, addMessage content, or loaded history to...

EUVD-2026-97003

Deep Chat through 2.5.1 contains a cross-site scripting vulnerability that allows attackers to inject javascript: links because RemarkableConfig.createNew disables Remarkable link validation. Attackers can place crafted Markdown links in AI responses, addMessage content, or loaded history to...

CVE-2026-107798 Jivejdon through commit ee67a65e Stored XSS via Markdown Links in TextStyle Rendering Filter

jivejdon from commit 595d8d22 through commit ee67a65e contains a stored cross-site scripting vulnerability in the default-enabled TextStyle filter that inserts unvalidated URLs into anchor href attributes. Authenticated attackers can post messages with javascript: links or quote-breaking URLs to...

CVE-2026-95112

When processing issue and comment bodies, Gitea scanned the entire preceding text for action keywords such as "closes" or "fixes" once per Markdown link, giving processing time quadratic in the input size. An authenticated user able to submit issue or comment content could send a crafted body of...

EUVD-2026-42992

Snipe-IT vulnerable to stored XSS via Markdown custom field...

JLSEC-2026-792 Hugo: Certain markdown links are not properly escaped

Impact Links and image links in the default markdown to HTML renderer are not properly escaped. Hugo users who trust their Markdown content or have custom render hooks for links and images are not affected. Patches Patched in v0.159.2 Workarounds Create custom render hooks for links and images in...

open-webui Vulnerable to Stored XSS via Model Description

!IMPORTANT Relationship to CVE-2024-7990 CVE-2024-7990 issued by huntr.dev, March 2025 describes a stored XSS in the same field — the model description — but exploits a different bypass mechanism: a second-order injection through the sanitizeResponseContent function's video-tag placeholder...

PYSEC-2026-2725 open-webui Vulnerable to Stored XSS via Model Description

!IMPORTANT Relationship to CVE-2024-7990 CVE-2024-7990 issued by huntr.dev, March 2025 describes a stored XSS in the same field — the model description — but exploits a different bypass mechanism: a second-order injection through the sanitizeResponseContent function's video-tag placeholder...

CVE-2026-55464 Snipe-IT: Stored XSS via Markdown custom field

Snipe-IT is an IT asset/license management system. Prior to 8.6.2, CommonMark escapes raw HTML but does not sanitize javascript: URIs in Markdown hyperlinks, allowing a user with assets.edit permission to place a malicious link in a markdown-textarea custom field that executes arbitrary JavaScrip...

PT-2026-57265

Name of the Vulnerable Software and Affected Versions Snipe-IT versions prior to 8.6.2 Description CommonMark escapes raw HTML but fails to sanitize javascript: URIs within Markdown hyperlinks. This allows a user with assets.edit permissions to insert a malicious link into a markdown-textarea...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the safeurl function. An attacker can execute arbitrary scripts in the rendered HTML by supplying specially crafted percent-encoded javascript URIs in Markdown links or images. Details Cross-site scripting o...

CVE-2026-59923

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, HTMLRenderer.safeurl does not block percent-encoded javascript URIs, allowing attacker-supplied Markdown links or images to bypass URL protections and execute script in rendered HTML. This issue is fixed in version...

GO-2026-5504 Hugo: Certain markdown links are not properly escaped in github.com/gohugoio/hugo

Hugo: Certain markdown links are not properly escaped in github.com/gohugoio/hugo...

CVE-2026-48704

Warp is an agentic development environment. From 0.2023.10.24.08.03.stable00 until 0.2026.05.06.15.42.stable01, Warp may open executable local files through the operating system default file handler. A malicious Markdown document or project can contain a local-file link that appears as normal...

CVE-2026-48704

Warp is an agentic development environment. From 0.2023.10.24.08.03.stable00 until 0.2026.05.06.15.42.stable01, Warp may open executable local files through the operating system default file handler. A malicious Markdown document or project can contain a local-file link that appears as normal...

Cross-site Scripting (XSS)

Overview @earendil-works/pi-coding-agent is a Coding agent CLI with read, bash, edit, write tools and session management Affected versions of this package are vulnerable to Cross-site Scripting XSS via improper sanitization of Markdown link and image URLs during HTML session export. An attacker c...

Cross-site Scripting (XSS)

Overview @mariozechner/pi-coding-agent is a Coding agent CLI with read, bash, edit, write tools and session management Affected versions of this package are vulnerable to Cross-site Scripting XSS via improper sanitization of Markdown link and image URLs during HTML session export. An attacker can...

CVE-2026-54326

Pi is a minimal terminal coding harness. From 0.74.0 until 0.78.1, Pi HTML exports render session Markdown into a static HTML file. It did not consistently reject unsafe Markdown link and image URL schemes. In versions with scheme filtering, C0 control characters in the URL scheme could bypass th...

CVE-2026-54326 Pi: Potential XSS in HTML session exports via Markdown URL sanitization bypass

Pi is a minimal terminal coding harness. From 0.74.0 until 0.78.1, Pi HTML exports render session Markdown into a static HTML file. It did not consistently reject unsafe Markdown link and image URL schemes. In versions with scheme filtering, C0 control characters in the URL scheme could bypass th...

CVE-2026-54326 Pi: Potential XSS in HTML session exports via Markdown URL sanitization bypass

Pi is a minimal terminal coding harness. From 0.74.0 until 0.78.1, Pi HTML exports render session Markdown into a static HTML file. It did not consistently reject unsafe Markdown link and image URL schemes. In versions with scheme filtering, C0 control characters in the URL scheme could bypass th...