CVE-2022-26383
MEDIUMCVSS 4.3/10EPSS 0.66%
Last modified
CVE-2022-26383 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. When resizing a popup after requesting fullscreen access, the popup would not display the fullscreen notification. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and Thunderbird < 91.7.. EPSS estimates a 0.66% chance of exploitation in the next 30 days.
Description
When resizing a popup after requesting fullscreen access, the popup would not display the fullscreen notification. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and Thunderbird < 91.7.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 98.0 |
| Mozilla | Firefox Esr | < 91.7 |
| Mozilla | Thunderbird | < 91.7 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1742421Issue Tracking, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-10/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-11/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-12/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1742421Issue Tracking, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-10/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-11/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-12/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1742421Issue Tracking, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-26383?
When resizing a popup after requesting fullscreen access, the popup would not display the fullscreen notification. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and Thunderbird < 91.7.
How severe is CVE-2022-26383?
CVE-2022-26383 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.66% probability of exploitation in the next 30 days.
How do I fix CVE-2022-26383?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2022-26383?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST