Improper input validation in Ublockorigin Ublock Origin
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.024 (83.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- armin.dev/blog/2019/04/adblock-plus-code-injection/ (Exploit, Third Party Advisory, Mitigation)
- news.ycombinator.com/item (Third Party Advisory)
Frequently asked questions
- What is CVE-2019-11595?
- CVE-2019-11595 is a critical-severity vulnerability in Ublockorigin Ublock Origin, classified under Improper Input Validation. CVSS score: 9.0/10. Published 2019-04-29.
- How severe is CVE-2019-11595?
- Critical severity. CVSS v3 base score is 9.0 out of 10.
- Is CVE-2019-11595 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.