CVE-2019-11595
CVSS v3
9
CRITICAL
EPSS Score
2.4 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2019-04-29
Frequently asked questions
What is CVE-2019-11595?
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.
Is CVE-2019-11595 actively exploited?
Active exploitation of CVE-2019-11595 has not been confirmed. Its EPSS score was 2.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-11595?
CVE-2019-11595 has a CVSS v3 base score of 9 (CRITICAL severity).
Is CVE-2019-11595 affecting your environment?
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