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CVE-2017-5389 WebExtensions could use the "mozAddonManager" API by modifying the CSP headers on sites with the appropriate permissions…

Description

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 permission. This vulnerability affects Firefox < 51.

Affected products and versions

Product Affected versions Fixed in
Firefox 51 earliest → < 51 51

References

Timeline

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