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CVE-2025-12776— Stored Cross-Site Scripting

Quick assessment

Affected
Commvault WebConsole
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.

Commvault WebConsole是美国Commvault公司的一个基于Web的管理平台。 Commvault WebConsole存在安全漏洞，该漏洞源于将用户输入直接存储在网页中，可能导致跨站脚本攻击。

AI Predicted 5.4 Difficulty: Moderate EPSS 0.18% · P7

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript
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I. Basic Information for CVE-2025-12776

Vulnerability Information
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Vulnerability Title
Stored Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
The Report Builder component of the application stores user input directly in a web page and displays it to other users, which raised concerns about a possible Cross-Site Scripting (XSS) attack. Proper management of this functionality helps ensure a secure and seamless user experience.  Although the user input is not validated in the report creation, these scripts are not executed when the report is run by end users. The script is executed when the report is modified through the report builder by a user with edit permissions. The Report Builder is part of the WebConsole.  The WebConsole package is currently end of life, and is no longer maintained. We strongly recommend against installing or using it in any production environment. However, if you choose to install it, for example, to access functionality like the Report Builder, it must be deployed within a fully isolated network that has no access to sensitive data or internet connectivity. This is a critical security precaution, as the retired package may contain unpatched vulnerabilities and is no longer supported with updates or fixes.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Commvault WebConsole 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Commvault WebConsole是美国Commvault公司的一个基于Web的管理平台。 Commvault WebConsole存在安全漏洞，该漏洞源于将用户输入直接存储在网页中，可能导致跨站脚本攻击。
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
Commvault WebConsole 11.32.0 ~ 11.32.* -

II. Public POCs for CVE-2025-12776

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III. Intelligence Information for CVE-2025-12776

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Other References for CVE-2025-12776 (1)

IV. Related Vulnerabilities

Same vendor: Commvault
Same weakness: CWE-79

V. Comments for CVE-2025-12776

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