CVE-2019-15684

Kaspersky Protection extension for web browser Google Chrome prior to 30.112.62.0 was vulnerable to unauthorized access to its features remotely that could lead to removing other installed extensions...

CVE-2018-5135

WebExtensions can bypass normal restrictions in some circumstances and use "browser.tabs.executeScript" to inject scripts into contexts where this should not be allowed, such as pages from other WebExtensions or unprivileged "about:" pages. This vulnerability affects Firefox 59...

Mozilla: WebExtensions can use data: protocol to affect other extensions (MFSA 2017-02)

WebExtension scripts can use the "data:" protocol to affect pages loaded by other web extensions using this protocol, leading to potential data disclosure or privilege escalation in affected extensions. This vulnerability affects Firefox ESR 45.7 and Firefox 51...