File Content Disclosure Vulnerability in Mozilla Firefox
CVE-2025-1936

Currently unrated

Key Information:

Vendor
Mozilla
Vendor
CVE Published:
4 March 2025

Summary

This vulnerability in Mozilla Firefox allows attackers to retrieve local file content from ZIP archives. By manipulating URLs with jar: protocols, it exploits how null characters and extensions are processed, enabling harmful code to be disguised as legitimate content such as images. This poses a risk, as the exploited web extensions can potentially reveal sensitive information or execute unauthorized scripts.

Affected Version(s)

Firefox < 136

Firefox ESR < 128.8

References

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Surya Dev Singh
.