What’s Vulnerable › Vulnerabilities

CVE-2019-11594

• Severity: high (CVSS 8.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-04-29 · updated 2026-06-17
• Weakness: CWE-94

Description

In AdBlock before 3.45.0, 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.

Affected products

• Getadblock Adblock: before 3.45.0 — fixed in 3.45.0

How to fix

Upgrade to a fixed version: Getadblock Adblock 3.45.0. Check the vendor advisory for mitigations.

References

• https://armin.dev/blog/2019/04/adblock-plus-code-injection/
• https://blog.getadblock.com/adblock-for-chrome-3-45-0-resolving-a-potential-security-risk-b21647a26df6
• https://news.ycombinator.com/item?id=19666504
• https://armin.dev/blog/2019/04/adblock-plus-code-injection/
• https://blog.getadblock.com/adblock-for-chrome-3-45-0-resolving-a-potential-security-risk-b21647a26df6
• https://news.ycombinator.com/item?id=19666504

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