CVE-2023-5726
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 119 版本存在安全漏洞，该漏洞源于网站可能通过使用文件打开对话框来遮挡全屏通知。这可能会导致用户困惑并可能导致欺骗攻击。
Possible ATT&CK Techniques 2 AI
T1553 · Subvert Trust Controls T1556 · Modify Authentication Process
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I. Basic Information for CVE-2023-5726
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A website could have obscured the full screen notification by using the file open dialog. This could have led to user confusion and possible spoofing attacks.
*Note: This issue only affected macOS operating systems. Other operating systems are unaffected.* This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
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 安全漏洞
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 119 版本存在安全漏洞，该漏洞源于网站可能通过使用文件打开对话框来遮挡全屏通知。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 ~ 119 | - |
|
| Mozilla | Firefox ESR | unspecified ~ 115.4 | - |
|
| Mozilla | Thunderbird | unspecified ~ 115.4.1 | - |
|
II. Public POCs for CVE-2023-5726
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2023-5726 (4)
Same Patch Batch · Mozilla · 2023-10-24 · 13 CVEs total
| CVE-2023-5721 | Mozilla Firefox 安全漏洞 | |
| CVE-2023-5722 | Mozilla Firefox 安全漏洞 | |
| CVE-2023-5723 | Mozilla Firefox 安全漏洞 | |
| CVE-2023-5724 | Mozilla Firefox 安全漏洞 | |
| CVE-2023-5725 | Mozilla Firefox 安全漏洞 | |
| CVE-2023-5728 | Mozilla Firefox 安全漏洞 | |
| CVE-2023-5727 | Mozilla Firefox 安全漏洞 | |
| CVE-2023-5729 | Mozilla Firefox 安全漏洞 | |
| CVE-2023-5730 | Mozilla Firefox 缓冲区错误漏洞 | |
| CVE-2023-5731 | Mozilla Firefox 缓冲区错误漏洞 | |
| CVE-2023-5732 | Address bar spoofing via bidirectional characters | |
| CVE-2023-5758 | Mozilla Firefox 跨站脚本漏洞 |
IV. Related Vulnerabilities
Same product: Firefox
-
CVE-2026-100832
Use-after-free in the Graphics: Canvas2D component -
CVE-2026-100830
Mitigation bypass in the DOM: Navigation component -
CVE-2026-100831
Use-after-free in the DOM: UI Events & Focus Handling compon -
CVE-2026-100829
Mitigation bypass in the DOM: Security component -
CVE-2026-100828
Mitigation bypass in the Bookmarks & History component
Same vendor: Mozilla
-
CVE-2026-103500
Heap buffer overflow opening large email -
CVE-2026-100832
Use-after-free in the Graphics: Canvas2D component -
CVE-2026-100830
Mitigation bypass in the DOM: Navigation component -
CVE-2026-100831
Use-after-free in the DOM: UI Events & Focus Handling compon -
CVE-2026-100829
Mitigation bypass in the DOM: Security component
V. Comments for CVE-2023-5726
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