In Adblock Plus before 3.5.2, the $rewrite filter option allows filter-list maintainers…
Priority MEDIUM 40CWE-94Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-94.
Summary
In Adblock Plus before 3.5.2, 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.
Why it matters now
EPSS 0.02491 84th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:adblockplus:adblock_plus:*:*:*:*:*:chrome:*:* | before 3.5.2 | Vulnerable | Adblockplus |
- cpe:2.3:a:adblockplus:adblock_plus:*:*:*:*:*:chrome:*:* Versions before 3.5.2 Vulnerable ·Adblockplus
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-11593
- 2026-10-03 Alias added: GHSA-cc5q-5938-jqm9
References
Advisory 5
- https://armin.dev/blog/2019/04/adblock-plus-code-injection/
- https://news.ycombinator.com/item?id=19666504
- https://adblockplus.org/releases/adblock-plus-352-for-chrome-firefox-and-opera-released
- https://gitlab.com/eyeo/adblockplus/adblockpluschrome/issues/1
- https://gitlab.com/eyeo/adblockplus/adblockpluscore/issues/4
Sources
- CVE-2019-11593 · CVE Program
- CVE-2019-11593 · NVD
- FIRST EPSS
- GHSA-cc5q-5938-jqm9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences