CVE-2019-11593

In Adblock Plus before 3.5.2, the $rewrite filter option allows filter-list maintainers to run...

8.1 High

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

2.49%Up 0.2 points since Apr 14, 2021

What each source reports

NVD Score used 8.1

Record: CVE-2019-11593
CVSS 3.0: 8.1 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-94
Updated: 2026-11-02

CVE List No score

Record: CVE-2019-11593
Updated: 2026-11-02

EUVDEUVD-2019-3263 No score

Record: EUVD-2019-3263
Updated: 2026-11-03

GitHub AdvisoriesGHSA-cc5q-5938-jqm9 8.1

In Adblock Plus before 3.5.2, the $rewrite filter option allows filter-list maintainers to run...

Record: GHSA-cc5q-5938-jqm9
CVSS 3.0: 8.1 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-94
Updated: 2026-11-02

Affected products

adblockplus adblock plus

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-11593 is a high vulnerability (CVSS 8.1) in Adblockplus Adblock Plus, published April 29, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.49%, the 84th percentile. No source names a fixed version.