CVE-2026-53606 sanitize-html has an incomplete URI scheme validation that allows javascript: URIs through action, formaction, data, poster, and background attributes

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Versions of sanitize-html prior to 2.17.5 use allowedSchemesAppliedToAttributes default: 'href', 'src', 'cite' to gate the naughtyHref function that blocks...

CVE-2026-53606

A CVE-2026-53606 entry concerns ApostropheCMS (Node.js) and its dependency sanitize-html. The issue arises in sanitize-html versions prior to 2.17.5, where allowedSchemesAppliedToAttributes (default: ['href','src','cite']) do not cover all URI-bearing attributes (e.g., action, formaction, data, p...

CVE-2026-35542

A flaw was found in Roundcube Webmail. A remote attacker could bypass the remote image blocking feature by sending a specially crafted email containing a malicious background attribute within a BODY element. This vulnerability may lead to unauthorized information disclosure or an access-control...

GHSA-5HF6-CRG4-FG59 Roundcube: Bypass of remote image blocking via crafted BODY background attribute

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed via a crafted background attribute of a BODY element in an e-mail message. This may lead to information disclosure or access-control bypass...

UBUNTU-CVE-2026-35542

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed via a crafted background attribute of a BODY element in an e-mail message. This may lead to information disclosure or access-control bypass...

CVE-2026-35542

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed via a crafted background attribute of a BODY element in an e-mail message. This may lead to information disclosure or access-control bypass...

CVE-2026-35542

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed via a crafted background attribute of a BODY element in an e-mail message. This may lead to information disclosure or access-control bypass...

CVE-2026-35542

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed via a crafted background attribute of a BODY element in an e-mail message. This may lead to information disclosure or access-control bypass...

CVE-2026-35542

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed via a crafted background attribute of a BODY element in an e-mail message. This may lead to information disclosure or access-control bypass...

PT-2026-29981

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed via a crafted background attribute of a BODY element in an e-mail message. This may lead to information disclosure or access-control bypass...

Nextcloud: Unquoted body background attribute enables CSS injection that bypasses remote image blocking

A vulnerability was discovered in Roundcube's HTML sanitizer that enabled CSS injection when the allowremote option was set to false. The sanitizer failed to quote the value of the background attribute from the email's element, allowing a crafted data: URI to terminate the url function and inject...

WordPress Sudoku Shortcode plugin <= 1.0.0 - Authenticated (Contributor+) Cross-Site Scripting via 'background' Shortcode Attribute vulnerability

Authenticated Contributor+ Cross-Site Scripting via 'background' Shortcode Attribute vulnerability discovered by Gilang - DJ in WordPress Plugin Sudoku Shortcode versions = 1.0.0...

Apple Safari buffer overflow

Buffer overflow on oversized CSS background attribute...

DEBIAN-CVE-2009-2044

Mozilla Firefox 3.0.10 and earlier on Linux allows remote attackers to cause a denial of service application crash via a URI for a large GIF image in the BACKGROUND attribute of a BODY element...

DEBIAN-CVE-2009-0413

Cross-site scripting XSS vulnerability in RoundCube Webmail roundcubemail 0.2 stable allows remote attackers to inject arbitrary web script or HTML via the background attribute embedded in an HTML e-mail message...