GHSA-XJVC-PW2R-6878 Flarum: Path traversal in LESS parser via theme color settings (incomplete fix for CVE-2023-27577)

Summary Flarum's patch for CVE-2023-27577 restricted the @import and data-uri LESS features in the customless setting, but the same restriction was never applied to other settings registered as LESS config variables for example themeprimarycolor and themesecondarycolor, as well as any key...

PT-2026-34002

October is a Content Management System CMS and web platform. Prior to 3.7.14 and 4.1.10, a server-side information disclosure vulnerability was identified in the handling of CSS preprocessor files. Backend users with Editor permissions could craft .less, .sass, or .scss files that leverage the...

Malicious Package

Overview ignore-html-and-css-imports is a malicious package. This package was recognized as part of the 'PhantomRaven' supply chain campaign, which involves credential-stealing malware. The package impersonates well-known ecosystem plugins to deceive developers into installing it. Malicious...

CVE-2026-28348 lxml_html_clean: CSS @import Filter Bypass via Unicode Escapes

lxmlhtmlclean is a project for HTML cleaning functionalities copied from lxml.html.clean. Prior to version 0.4.4, the hassneakyjavascript method strips backslashes before checking for dangerous CSS keywords. This causes CSS Unicode escape sequences to bypass the @import and expression filters,...

Microsoft Internet Explorer Multiple CSS Imports Memory Corruption Vulnerability

This vulnerability allows attackers to execute arbitrary code on vulnerable installations of Microsoft Internet Explorer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page. The specific flaw exists due to improper garbage collection when...