CVE-2018-5135

CVE-2018-5135 affects Mozilla Firefox versions earlier than 59.0. The issue allows WebExtensions to bypass normal restrictions and use browser.tabs.executeScript to inject scripts into contexts where injection should not be allowed (e.g., other WebExtensions or unprivileged about: pages). This is...

CVE-2016-9075

CVE-2016-9075 : Firefox WebExtensions can misuse mozAddonManager API to elevate privileges because privileged pages are allowed in the permissions list, enabling a malicious extension to install additional extensions without explicit user permission. Affected: Firefox versions before 50. Root cau...

CVE-2018-5116

The CVE-2018-5116 entry concerns Mozilla Firefox prior to version 58.0 where WebExtensions with the ActiveTab permission can access cross-origin frames within the active tab, allowing malicious extensions to inject and interact with frames from arbitrary origins and bypass same-origin expectation...

CVE-2018-5132

CVE-2018-5132 : The Find API for WebExtensions in Firefox can search privileged pages (for example, about:debugging) when those pages are open in a tab, potentially exposing protected data. Affected products/versions: Firefox

CVE-2018-5116

WebExtensions with the "ActiveTab" permission are able to access frames hosted within the active tab even if the frames are cross-origin. Malicious extensions can inject frames from arbitrary origins into the loaded page and then interact with them, bypassing same-origin user expectations with th...

CVE-2017-7816

WebExtensions could use popups and panels in the extension UI to load an "about:" privileged URL, violating security checks that disallow this behavior. This vulnerability affects Firefox 56...

CVE-2018-5132

The Find API for WebExtensions can search some privileged pages, such as "about:debugging", if these pages are open in a tab. This could allow a malicious WebExtension to search for otherwise protected data if a user has it open. This vulnerability affects Firefox 59...

CVE-2018-5105

WebExtensions can bypass user prompts to first save and then open an arbitrarily downloaded file. This can result in an executable file running with local user privileges without explicit user consent. This vulnerability affects Firefox 58...

CVE-2018-5113

The issue CVE-2018-5113 affects Firefox

CVE-2017-7816

WebExtensions could use popups and panels in the extension UI to load an "about:" privileged URL, violating security checks that disallow this behavior. This vulnerability affects Firefox 56...

CVE-2018-5132

The Find API for WebExtensions can search some privileged pages, such as "about:debugging", if these pages are open in a tab. This could allow a malicious WebExtension to search for otherwise protected data if a user has it open. This vulnerability affects Firefox 59...

CVE-2016-9075

An issue where WebExtensions can use the mozAddonManager API to elevate privilege due to privileged pages being allowed in the permissions list. This allows a malicious extension to then install additional extensions without explicit user permission. This vulnerability affects Firefox 50...

CVE-2017-7821

A vulnerability where WebExtensions can download and attempt to open a file of some non-executable file types. This can be triggered without specific user interaction for the file download and open actions. This could be used to trigger known vulnerabilities in the programs that handle those...

CVE-2018-5113

The "browser.identity.launchWebAuthFlow" function of WebExtensions is only allowed to load content over "https:" but this requirement was not properly enforced. This can potentially allow privileged pages to be loaded by the extension. This vulnerability affects Firefox 58...

CVE-2018-5134

WebExtensions may use "view-source:" URLs to view local "file:" URL content, as well as content stored in "about:cache", bypassing restrictions that only allow WebExtensions to view specific content. This vulnerability affects Firefox 59...

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...

CVE-2016-9073

WebExtensions can bypass security checks to load privileged URLs and potentially escape the WebExtension sandbox. This vulnerability affects Firefox 50...

CVE-2017-5389

WebExtensions could use the "mozAddonManager" API by modifying the CSP headers on sites with the appropriate permissions and then using host requests to redirect script loads to a malicious site. This allows a malicious extension to then install additional extensions without explicit user...

CVE-2018-5105

WebExtensions can bypass user prompts to first save and then open an arbitrarily downloaded file. This can result in an executable file running with local user privileges without explicit user consent. This vulnerability affects Firefox 58...

CVE-2018-5116

WebExtensions with the "ActiveTab" permission are able to access frames hosted within the active tab even if the frames are cross-origin. Malicious extensions can inject frames from arbitrary origins into the loaded page and then interact with them, bypassing same-origin user expectations with th...