CVE-2023-25730
5.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mozilla | Firefox | unspecified < 110 | affected |
| Mozilla | Thunderbird | unspecified < 102.8 | affected |
| Mozilla | Firefox ESR | unspecified < 102.8 | affected |
Weaknesses
- Screen hijack via browser fullscreen mode
ADP Enrichment
CVE Program Container
Additional References
- https://www.mozilla.org/security/advisories/mfsa2023-06/
- https://www.mozilla.org/security/advisories/mfsa2023-05/
- https://www.mozilla.org/security/advisories/mfsa2023-07/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1794622
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: no
- Technical Impact: partial
Additional References
References
- https://www.mozilla.org/security/advisories/mfsa2023-06/
- https://www.mozilla.org/security/advisories/mfsa2023-05/
- https://www.mozilla.org/security/advisories/mfsa2023-07/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1794622
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