CVE-2019-11593: Adblockplus Adblock Plus

High severity, CVSS 8.1. EPSS: 2.5% chance of exploitation in the next 30 days.

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.

Affected products

• Adblockplus Adblock Plus: before 3.5.2 (fixed in 3.5.2)

Published 2019-04-29. Last modified 2026-06-17.