58 matches found
PT-2026-41147
Name of the Vulnerable Software and Affected Versions mistune affected versions not specified Description The Image directive plugin fails to properly validate the :width: and :height: options. The validation uses a regular expression that only checks if the value starts with a digit, rather than...
CVE-2026-44458
Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.18, the JSX renderer escapes style attribute object values for HTML but not for CSS. Untrusted input in a style object value or property name can therefore inject additional CSS declarations into t...
CVE-2026-44458 Hono: CSS Declaration Injection via Style Object Values in JSX SSR
Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.18, the JSX renderer escapes style attribute object values for HTML but not for CSS. Untrusted input in a style object value or property name can therefore inject additional CSS declarations into t...
GHSA-87F9-HVMW-GH4P Mermaid: Improper sanitization of configuration leads to CSS injection
Impact Mermaid's default configuration allows injecting CSS that applies outside of the Mermaid diagram via the fontFamily, themeCSS, and altFontFamily configuration options. Live demo: mermaid.live Example code: %%init: "fontFamily": "x;ab :not&background:green !important cd"%% flowchart LR A --...
GHSA-XCJ9-5M2H-648R Mermaid: Improper sanitization of `classDefs` in diagrams leads to CSS injection
Details The state diagram and any other diagram type that routes user-controlled style strings through createCssStyles parser for Mermaid v11.14.0 and earlier captures classDef values with an unrestricted regex: jison // packages/mermaid/src/diagrams/state/parser/stateDiagram.jison:83 ^\n...
CVE-2026-42857 Open edX Platform: Stored CSS Injection in Email Notifications via Incomplete HTML Sanitization
Open edX Platform enables the authoring and delivery of online learning at any scale. The HTML sanitizer cleanthreadhtmlbody used for discussion notification emails fails to remove tags from user-generated discussion post content. This content is rendered with Django's |safe template filter in...
PT-2026-39888
Name of the Vulnerable Software and Affected Versions Mermaid versions prior to 11.15.0 Mermaid versions prior to 10.9.6 Description Default configuration allows the injection of CSS that applies outside of the Mermaid diagram. This occurs through the fontFamily, themeCSS, and altFontFamily...
Improper Certificate Validation allows MITM injection of remote CSS content
Summary The CSS Parser gem does not validate HTTPS connections, allowing a Man-in-the-Middle MITM attacker to inject or modify CSS content when stylesheets are loaded via HTTPS. The connection is established with OpenSSL::SSL::VERIFYNONE, meaning any HTTPS certificate—even entirely untrusted—will...
CVE-2026-40497 FreeScout Vulnerable to CSS Injection via Stored Style Tag in Mailbox Signature (CSRF Token Exfiltration)
FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, FreeScout's Helper::stripDangerousTags removes , , , but does NOT strip tags. The mailbox signature field is saved via POST /mailbox/settings/id and later rendered unescaped via !!...
CVE-2026-40497 FreeScout Vulnerable to CSS Injection via Stored Style Tag in Mailbox Signature (CSRF Token Exfiltration)
FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, FreeScout's Helper::stripDangerousTags removes , , , but does NOT strip tags. The mailbox signature field is saved via POST /mailbox/settings/id and later rendered unescaped via !!...
Cross-site Scripting (XSS)
Overview apostrophe is a content management system CMS for Node.js. It supports in-context editing, schema-driven content types, flexible widgets and a great deal more. This module contains everything necessary to build a website with ApostropheCMS. Affected versions of this package are vulnerabl...
CVE-2026-39840
The CVE-2026-39840 issue affects Wikimedia Foundation MediaWiki’s Cargo Extension (before version 3.8.7). It is caused by improper neutralization of input during web page generation, enabling cross-site scripting (XSS) that targets non-script elements. Impact is user-side script execution with th...
CVE-2026-35046
Tandoor Recipes is an application for managing recipes, planning meals, and building shopping lists. Prior to 2.6.4, Tandoor Recipes allows authenticated users to inject arbitrary tags into recipe step instructions. The bleach.clean sanitizer explicitly whitelists the tag, causing the backend to...
CVE-2026-31873 Unhead has a Bypass of URI Scheme Sanitization in makeTagSafe via Case-Sensitivity
Unhead is a document head and template manager. Prior to 2.1.11, The link.href check in makeTagSafe safe.ts uses String.includes, which is case-sensitive. Browsers treat URI schemes case-insensitively. DATA:text/css,... is the same as data:text/css,... to the browser, but 'DATA:...'.includes'data...
PT-2026-22479
Name of the Vulnerable Software and Affected Versions wpForo Forum version 2.4.14 Description The software contains a stored cross-site scripting issue that permits authenticated subscribers to upload specially crafted SVG files as profile avatars. This is achieved through the avatar upload...
CVE-2026-26000
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Prior to 17.9.0, 17.4.6, and 16.10.13, it's possible using comments to inject CSS that would transform the full wiki in a link area leading to a malicious page. This vulnerability is fixed in...
CVE-2026-26000 XWiki Platform affected by click-jacking through CSS injection in comments
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Prior to 17.9.0, 17.4.6, and 16.10.13, it's possible using comments to inject CSS that would transform the full wiki in a link area leading to a malicious page. This vulnerability is fixed in...
XWiki vulnerable to click-jacking through CSS injection in comments
Impact It's possible using comments to inject CSS that would transform the full wiki in a link area leading to a malicious page. All versions of XWiki are impacted by this kind of attack. Patches The problem has been patched not by preventing injecting CSS in comments, which is currently a featur...
Roundcube Webmail 1.5.x < 1.5.13 / 1.6.x < 1.6.13 Multiple Vulnerabilities
The remote web server is running Roundcube Webmail version 1.5.x prior to 1.5.13 or 1.6.x prior to 1.6.13. It is, therefore, affected by multiple vulnerabilities: - A Cascading Style Sheets CSS injection vulnerability exists due to mishandling of comments. A remote attacker could exploit this to...