CVE-2023-4053— Full screen notification obscured by external program
Quick assessment
Affected
Mozilla Firefox
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox 116 版本存在后置链接漏洞，该漏洞源于网站可能通过使用具有由外部程序处理的方案（例如 mailto URL）的 URL 来遮挡全屏通知。这可能会导致用户困惑并可能导致欺骗攻击。
Possible ATT&CK Techniques 1 AI
T1498 · Network Denial of Service
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I. Basic Information for CVE-2023-4053
Vulnerability Information
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Vulnerability Title
Full screen notification obscured by external program
Source: CVE Program / CVE List V5
Vulnerability Description
A website could have obscured the full screen notification by using a URL with a scheme handled by an external program, such as a mailto URL. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 116, Firefox ESR < 115.2, and Thunderbird < 115.2.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Mozilla Firefox 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox 116 版本存在后置链接漏洞，该漏洞源于网站可能通过使用具有由外部程序处理的方案（例如 mailto URL）的 URL 来遮挡全屏通知。这可能会导致用户困惑并可能导致欺骗攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Mozilla | Firefox | unspecified ~ 116 | - |
|
| Mozilla | Firefox ESR | unspecified ~ 115.2 | - |
|
| Mozilla | Thunderbird | unspecified ~ 115.2 | - |
|
II. Public POCs for CVE-2023-4053
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2023-4053 (4)
Same Patch Batch · Mozilla · 2023-08-01 · 14 CVEs total
| CVE-2023-4045 | Mozilla Firefox 访问控制错误漏洞 | |
| CVE-2023-4046 | Mozilla Firefox 安全漏洞 | |
| CVE-2023-4047 | Mozilla Firefox 安全漏洞 | |
| CVE-2023-4048 | Mozilla Firefox 缓冲区错误漏洞 | |
| CVE-2023-4049 | Mozilla Firefox 竞争条件问题漏洞 | |
| CVE-2023-4050 | Mozilla Firefox 缓冲区错误漏洞 | |
| CVE-2023-4051 | Full screen notification obscured by file open dialog | |
| CVE-2023-4052 | Mozilla Firefox 后置链接漏洞 | |
| CVE-2023-4054 | Mozilla Firefox 安全漏洞 | |
| CVE-2023-4055 | Mozilla Firefox 安全漏洞 | |
| CVE-2023-4056 | Mozilla Firefox 缓冲区错误漏洞 | |
| CVE-2023-4057 | Mozilla Firefox 缓冲区错误漏洞 | |
| CVE-2023-4058 | Mozilla Firefox 缓冲区错误漏洞 |
IV. Related Vulnerabilities
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Mitigation bypass in the File Handling component -
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Information disclosure in the Storage: IndexedDB component
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-
CVE-2026-110249
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Integer overflow in libmime buffer growth could lead to heap -
CVE-2026-109782
Mitigation bypass in the File Handling component -
CVE-2026-109780
Mitigation bypass in the DOM: Core & HTML component -
CVE-2026-109781
Denial-of-service in the Printing: Output component
V. Comments for CVE-2023-4053
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