Detections
Analytics
CVE-2020-15680
medium
Description
If a valid external protocol handler was referenced in an image tag, the resulting broken image size could be distinguished from a broken image size of a non-existent protocol handler. This allowed an attacker to successfully probe whether an external protocol handler was registered. This vulnerability affects Firefox < 82.
References
https://www.mozilla.org/security/advisories/mfsa2020-45/