Mozilla: Cross-origin responses could be distinguished between script and non-script content-types

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as follows: When importing resources using Web Workers, error messages would distinguish the difference between application/javascript responses and non-script responses. This could have been abused to learn...

Cross site scripting

When importing resources using Web Workers, error messages would distinguish the difference between application/javascript responses and non-script responses. This could have been abused to learn information cross-origin. This vulnerability affects Firefox 97, Thunderbird 91.6, and Firefox ESR 91...