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CVE-2022-40956

Quick assessment

Affected
Mozilla Firefox ESR
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 105 之前版本存在安全漏洞，该漏洞源于在注入HTML基础元素时，一些请求会忽略CSP的base-uri设置并接受注入元素的基础。

AI Predicted 6.1 Difficulty: Moderate EPSS 0.88% · P56
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I. Basic Information for CVE-2022-40956

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
When injecting an HTML base element, some requests would ignore the CSP's base-uri settings and accept the injected element's base instead. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.
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 跨站脚本漏洞
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 105 之前版本存在安全漏洞，该漏洞源于在注入HTML基础元素时，一些请求会忽略CSP的base-uri设置并接受注入元素的基础。
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 ESR unspecified ~ 102.3 -
Mozilla Thunderbird unspecified ~ 102.3 -
Mozilla Firefox unspecified ~ 105 -

II. Public POCs for CVE-2022-40956

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III. Intelligence Information for CVE-2022-40956

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Vendor Advisories for CVE-2022-40956 (4)

Same Patch Batch · Mozilla · 2022-12-22 · 175 CVEs total

CVE-2022-36318 Mozilla Firefox 竞争条件问题漏洞
CVE-2022-34480 Mozilla Firefox 缓冲区错误漏洞
CVE-2022-34481 Mozilla Firefox 输入验证错误漏洞
CVE-2022-34482 Mozilla Firefox 安全漏洞
CVE-2022-34483 Mozilla Firefox 安全漏洞
CVE-2022-34484 Mozilla Firefox 资源管理错误漏洞
CVE-2022-34485 Mozilla Firefox 缓冲区错误漏洞
CVE-2022-36314 Mozilla Firefox 代码问题漏洞
CVE-2022-36315 Mozilla Firefox 资源管理错误漏洞
CVE-2022-36316 Mozilla Firefox 输入验证错误漏洞
CVE-2022-36317 Mozilla Firefox 输入验证错误漏洞
CVE-2022-38474 Mozilla Firefox 安全漏洞
CVE-2022-40957 Mozilla Firefox 安全漏洞
CVE-2022-38478 Mozilla Firefox 缓冲区错误漏洞
CVE-2022-38477 Mozilla Firefox 缓冲区错误漏洞
CVE-2022-38476 Mozilla Firefox ESR 资源管理错误漏洞
CVE-2022-38475 Mozilla Firefox 安全漏洞
CVE-2022-38472 Mozilla Firefox 访问控制错误漏洞
CVE-2022-36319 Mozilla Firefox 安全漏洞
CVE-2022-36320 Mozilla Firefox 缓冲区错误漏洞

Showing top 20 of 175 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Firefox ESR
Same vendor: Mozilla

V. Comments for CVE-2022-40956

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