Low, CVSS 3.4npmAmendedPublished
Dark Reader gives users the ability to request style sheets from local web servers
CVE-2025-68467 · GHSA-x369-mcw8-8rvj
- Affected
- npm darkreader < 4.9.117
- Fixed in
- 4.9.117· Vendor fix available
- Issue
- Dark Reader versions prior to 4.9.117 included a behavior where a website could request a style sheet from a locally running web server, for example http://localhost:8080/style.css, If an address was available and returned a text/css content type. Patches The problem was fixed in version 4.9.117, released on December 3, 2025. Most users received the update automatically. Users running manual builds must upgrade to version 4.9.117 or later. The installed extension version number can be verified in Dark Reader's menu (More All settings About), browser settings, chrome://extensions or about:addons pages. Users are encouraged not to disable automatic extension updates and use the latest browser version, as browser releases typically include multiple security fixes of varying severity. NPM package The issue does not affect developers using the darkreader NPM package for website integration. Developers using the setFetchMethod() API must ensure the cross-origin requests are…
Recommended action: Upgrade to 4.9.117 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.