GHSA-QP7P-654G-CW7P Hono has CSS Declaration Injection via Style Object Values in JSX SSR

Summary 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 the rendered style attribute. The impact is limited to CSS and does not allow JavaScript executio...

Improper Encoding or Escaping of Output

Overview hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to Improper Encoding or Escaping of Output the styleObjectForEach and jsxAttr style serialization paths in the JSX runtime. An attacker can inject arbitrary CSS declarations by supplying...

Improper Encoding or Escaping of Output

Overview org.webjars.npm:hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to Improper Encoding or Escaping of Output the styleObjectForEach and jsxAttr style serialization paths in the JSX runtime. An attacker can inject arbitrary CSS declarations ...

GHSA-FF6C-W6QF-7XQC CSS Parser: 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...

CSS Parser: 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...

Unsafe Dependency Resolution

Overview Affected versions of this package are vulnerable to Unsafe Dependency Resolution due to improper validation of HTTPS certificates in the parser process. An attacker can inject or modify remote CSS content by performing a man-in-the-middle attack during stylesheet loading over HTTPS...

PT-2026-38404

Name of the Vulnerable Software and Affected Versions css parser versions prior to 1.22.0 css parser versions prior to 2.1.0 Description The software fails to validate HTTPS connections when loading stylesheets, which allows a Man-in-the-Middle MITM attacker to inject or modify CSS content. This...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS : Roundcube Webmail vulnerabilities (USN-8223-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8223-1 advisory. It was discovered that Roundcube Webmail mishandled Punycode xn-- domain names. An attacker could possibl...

USN-8223-1 roundcube vulnerabilities

It was discovered that Roundcube Webmail mishandled Punycode xn-- domain names. An attacker could possibly use this issue to cause a homograph attack. CVE-2019-15237 It was discovered that Roundcube Webmail did not properly sanitize certain attributes when handling CSS within HTML messages and...

PT-2026-36664

Summary Versions of the locize client SDK the browser module that wires up the locize InContext translation editor prior to 4.0.21 register a window.addEventListener"message", … handler that dispatches to registered internal handlers editKey, commitKey, commitKeys, isLocizeEnabled,...

PT-2026-37156

Name of the Vulnerable Software and Affected Versions locize versions prior to 4.0.21 Description The locize client SDK registers a window.addEventListener"message", … handler that dispatches to internal handlers such as editKey, commitKey, commitKeys, isLocizeEnabled, and requestInitialize witho...

CVE-2026-40565 FreeScout has Stored XSS / CSS Injection via linkify() — Unescaped URL in Anchor href

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, FreeScout's linkify function in app/Misc/Helper.php converts plain-text URLs in email bodies into HTML anchor tags without escaping double-quote characters " in the URL. HTMLPurifier called first via...

CVE-2026-40565

FreeScout vulnerability CVE-2026-40565 affects versions prior to 1.8.213. The issue occurs in linkify() (app/Misc/Helper.php): plain-text URLs in email bodies are converted to HTML anchor tags without escaping double-quote (") characters, and because HTMLPurifier runs first via getCleanBody(), th...

CVE-2026-40565 FreeScout has Stored XSS / CSS Injection via linkify() — Unescaped URL in Anchor href

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, FreeScout's linkify function in app/Misc/Helper.php converts plain-text URLs in email bodies into HTML anchor tags without escaping double-quote characters " in the URL. HTMLPurifier called first via...

CVE-2026-40565 FreeScout has Stored XSS / CSS Injection via linkify() — Unescaped URL in Anchor href

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, FreeScout's linkify function in app/Misc/Helper.php converts plain-text URLs in email bodies into HTML anchor tags without escaping double-quote characters " in the URL. HTMLPurifier called first via...

CVE-2026-40497

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 !!...

CVE-2026-40497

Summary (concrete details available) : FreeScout prior to version 1.8.213 is vulnerable to CSS injection in the mailbox signature due to incomplete stripping of dangerous tags: stripDangerousTags() removes script/form/iframe/object but not style, allowing inline CSS to exfiltrate CSRF tokens. An ...

CVE-2026-40301 rhukster/dom-sanitizer: SVG <style> tag allows CSS injection via unfiltered url() and @import directives

DOMSanitizer is a DOM/SVG/MathML Sanitizer for PHP 7.3+. Prior to version 1.0.10, DOMSanitizer::sanitize allows elements in SVG content but never inspects their text content. CSS url references and @import rules pass through unfiltered, causing the browser to issue HTTP requests to...

CVE-2026-40301

Summary of CVE-2026-40301 : The PHP library rhukster/dom-sanitizer (and related advisories) contains a flaw prior to version 1.0.10 where DOMSanitizer::sanitize() does not inspect the text content of elements inside SVG. As a result, CSS rules using url() and @import can reference attacker-contr...