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CVE-2023-25730

A background script invoking <code>requestFullscreen</code> and then blocking the main thread could force the browser into fullscreen mode i

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 110, 102.8
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: partial

Summary

A background script invoking <code>requestFullscreen</code> and then blocking the main thread could force the browser into fullscreen mode indefinitely, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Mozilla Firefox

    fixed in 110

  • Mozilla Thunderbird

    fixed in 102.8

  • Mozilla Firefox ESR

    fixed in 102.8

References 4

mozilla.org

bugzilla.mozilla.org