CVE-2019-11593
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.49%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 8.1 HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.49% probability · 85th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-94
- Affected
- adblockplus/adblock plus
- Source
- cve@mitre.org
EPSS 2.5% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://adblockplus.org/releases/adblock-plus-352-for-chrome-firefox-and-opera-releasedVendor Advisory
- https://armin.dev/blog/2019/04/adblock-plus-code-injection/Mitigation, Third Party Advisory
- https://gitlab.com/eyeo/adblockplus/adblockpluschrome/issues/1Third Party Advisory
- https://gitlab.com/eyeo/adblockplus/adblockpluscore/issues/4Third Party Advisory
- https://news.ycombinator.com/item?id=19666504Third Party Advisory
- https://adblockplus.org/releases/adblock-plus-352-for-chrome-firefox-and-opera-releasedVendor Advisory
- https://armin.dev/blog/2019/04/adblock-plus-code-injection/Mitigation, Third Party Advisory
- https://gitlab.com/eyeo/adblockplus/adblockpluschrome/issues/1Third Party Advisory
- https://gitlab.com/eyeo/adblockplus/adblockpluscore/issues/4Third Party Advisory
- https://news.ycombinator.com/item?id=19666504Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.