Through a series of popup and window.print() calls, an attacker can cause a window to go fullscreen without the user seeing the notification prompt, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.
CVE-2022-45404
MEDIUMNVD 6.56.5—Elevated
EchelonGraph scoreMEDIUM confidence
Score 6.5 from GitHub Security Advisory published 2022-12-22. NVD baseline CVSS 6.5; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 6.5Exploit: NoneExposed: 0
A fix is available — apply it.
- CVSS v3
- 6.5
- EG Score
- 6.5(medium)
- EPSS
- 45.0%
- KEV
- Not listed
Published
December 22, 2022
Last Modified
April 15, 2025
References (9)
- security@mozillahttps://bugzilla.mozilla.org/show_bug.cgi?id=1790815
- security@mozillahttps://www.mozilla.org/security/advisories/mfsa2022-47/
- security@mozillahttps://www.mozilla.org/security/advisories/mfsa2022-48/
- security@mozillahttps://www.mozilla.org/security/advisories/mfsa2022-49/
- af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=1790815
- af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2022-47/
- af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2022-48/
- af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2022-49/
- 134c704f-9b21-4f2e-91b3-4a467353bcc0https://bugzilla.mozilla.org/show_bug.cgi?id=1790815
Frequently asked(5)
What is CVE-2022-45404?
CVE-2022-45404 is a medium vulnerability published on December 22, 2022. Through a series of popup and <code>window.print()</code> calls, an attacker can cause a window to go fullscreen without the user seeing the notification prompt, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and…
When was CVE-2022-45404 disclosed?
CVE-2022-45404 was first published in the National Vulnerability Database on December 22, 2022, with the most recent update on April 15, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-45404 actively exploited?
CVE-2022-45404 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 45.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-45404?
CVE-2022-45404 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2022-45404?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-45404, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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