CVE-2019-11595

CRITICAL

uBlock Origin < 0.9.5.15 - Remote Code Execution via $rewrite Filter Option

Title source: llm
STIX 2.1

Description

In uBlock before 0.9.5.15, 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 (2)

Core 2
Core References
Exploit, Mitigation, Third Party Advisory x_refsource_misc
https://armin.dev/blog/2019/04/adblock-plus-code-injection/
Third Party Advisory x_refsource_misc
https://news.ycombinator.com/item?id=19666504

Scores

CVSS v3 9.0
EPSS 0.0241
EPSS Percentile 82.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Details

CWE
CWE-20
Status published
Products (1)
ublockorigin/ublock_origin < 0.9.5.15
Published Apr 29, 2019
Tracked Since Feb 18, 2026