CVE-2019-11593

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.

Category

8.1
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.92% Top 30%
Vendor Advisory adblockplus.org
Affected: n/a n/a
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2019-11593?
CVE-2019-11593 has been scored as a high severity vulnerability.
How to fix CVE-2019-11593?
To fix CVE-2019-11593, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-11593 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-11593 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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