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CVE-2021-29953

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。 Firefox for Android 存在跨站脚本漏洞，该漏洞源于对用户提供的数据的无害化处理不足。以下产品及版本受到影响：Firefox for Android: 80.1.2, 81.1.0, 81.1.3, 81.1.4, 81.1.5, 82.1.0, 82.1.1, 82.1.3, 83.0.0, 83.1.0, 84.1.0, 84.1.1, 84.1.2, 84.1.3, 84.1.4, 85.1.0, 85

AI Predicted 7.5 Difficulty: Moderate EPSS 0.65% · P48

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-29953

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A malicious webpage could have forced a Firefox for Android user into executing attacker-controlled JavaScript in the context of another domain, resulting in a Universal Cross-Site Scripting vulnerability. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected. Further details are being temporarily withheld to allow users an opportunity to update.*. This vulnerability affects Firefox < 88.0.1 and Firefox for Android < 88.1.3.
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。 Firefox for Android 存在跨站脚本漏洞，该漏洞源于对用户提供的数据的无害化处理不足。以下产品及版本受到影响：Firefox for Android: 80.1.2, 81.1.0, 81.1.3, 81.1.4, 81.1.5, 82.1.0, 82.1.1, 82.1.3, 83.0.0, 83.1.0, 84.1.0, 84.1.1, 84.1.2, 84.1.3, 84.1.4, 85.1.0, 85
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 ~ 88.0.1 -
Mozilla Firefox for Android unspecified ~ 88.1.3 -

II. Public POCs for CVE-2021-29953

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III. Intelligence Information for CVE-2021-29953

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Vendor Advisories for CVE-2021-29953 (1)

Same Patch Batch · Mozilla · 2021-06-24 · 37 CVEs total

CVE-2021-23999 Mozilla Firefox 安全漏洞
CVE-2021-29948 Mozilla Thunderbird 竞争条件问题漏洞
CVE-2021-29947 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-29946 Mozilla Firefox 输入验证错误漏洞
CVE-2021-29945 Mozilla Thunderbird 安全漏洞
CVE-2021-29944 Mozilla Firefox 和 Thunderbird 跨站脚本漏洞
CVE-2021-24002 Mozilla Thunderbird 注入漏洞
CVE-2021-24001 Mozilla Firefox 权限许可和访问控制问题漏洞
CVE-2021-24000 Mozilla Firefox 竞争条件问题漏洞
CVE-2021-29949 Mozilla Thunderbird 代码问题漏洞
CVE-2021-23998 Mozilla Firefox 数据伪造问题漏洞
CVE-2021-23997 Mozilla Firefox 资源管理错误漏洞
CVE-2021-23996 Mozilla Firefox和Mozilla Thunderbird 安全漏洞
CVE-2021-23995 Mozilla Thunderbird 资源管理错误漏洞
CVE-2021-23994 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-23993 Mozilla Thunderbird 数据伪造问题漏洞
CVE-2021-23992 Mozilla Thunderbird 数据伪造问题漏洞
CVE-2021-23991 Mozilla Thunderbird 安全漏洞
CVE-2021-29959 Mozilla Firefox权限许可和访问控制问题漏洞
CVE-2021-29967 Mozilla Firefox 缓冲区错误漏洞

Showing top 20 of 37 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Firefox
Same vendor: Mozilla

V. Comments for CVE-2021-29953

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