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