CVE-2019-11593 Information

Description

In Adblock Plus before 3.5.2 the $rewrite filter option allows filter-list maintainers to run arbitrary code in a client-side session when a web service loads a script for execution using XMLHttpRequest or Fetch and the script origin has an open redirect.

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://adblockplus.org/releases/adblock-plus-352-for-chrome-firefox-and-opera-released https://armin.dev/blog/2019/04/adblock-plus-code-injection/ https://gitlab.com/eyeo/adblockplus/adblockpluschrome/issues/1 https://gitlab.com/eyeo/adblockplus/adblockpluscore/issues/4 https://news.ycombinator.com/item?id=19666504

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.1