Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ublockorigin | Ublock Origin | < 0.9.5.15 |
Related Weaknesses (CWE)
References
- https://armin.dev/blog/2019/04/adblock-plus-code-injection/ExploitMitigationThird Party Advisory
- https://news.ycombinator.com/item?id=19666504Third Party Advisory
- https://armin.dev/blog/2019/04/adblock-plus-code-injection/ExploitMitigationThird Party Advisory
- https://news.ycombinator.com/item?id=19666504Third Party Advisory
FAQ
What is CVE-2019-11595?
CVE-2019-11595 is a vulnerability with a CVSS score of 9.0 (CRITICAL). 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...
How severe is CVE-2019-11595?
CVE-2019-11595 has been rated CRITICAL with a CVSS base score of 9.0/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2019-11595?
Check the references section above for vendor advisories and patch information. Affected products include: Ublockorigin Ublock Origin.