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CVE-2023-5933— Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab

Quick assessment

Affected
GitLab GitLab
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.

GitLab是美国GitLab公司的一个开源的端到端软件开发平台，具有内置的版本控制、问题跟踪、代码审查、CI/CD（持续集成和持续交付）等功能。 GitLab CE/EE 13.7版本至16.6.6之前版本、16.7版本至16.7.4之前版本、16.8版本至16.8.1之前版本存在安全漏洞，该漏洞源于用户名输入清理不当会导致任意 API PUT 请求。

CVSS 6.4 · Medium EPSS 0.68% · P51

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-5933

Vulnerability Information
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Vulnerability Title
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab
Source: CVE Program / CVE List V5
Vulnerability Description
An issue has been discovered in GitLab CE/EE affecting all versions after 13.7 before 16.6.6, 16.7 prior to 16.7.4, and 16.8 prior to 16.8.1. Improper input sanitization of user name allows arbitrary API PUT requests.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
Web页面中脚本相关HTML标签转义处理不恰当(基本跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
GitLab 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab是美国GitLab公司的一个开源的端到端软件开发平台，具有内置的版本控制、问题跟踪、代码审查、CI/CD（持续集成和持续交付）等功能。 GitLab CE/EE 13.7版本至16.6.6之前版本、16.7版本至16.7.4之前版本、16.8版本至16.8.1之前版本存在安全漏洞，该漏洞源于用户名输入清理不当会导致任意 API PUT 请求。
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
GitLab GitLab 13.7 ~ 16.6.6 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2023-5933

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III. Intelligence Information for CVE-2023-5933

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Other References for CVE-2023-5933 (3)

Same Patch Batch · GitLab · 2024-01-26 · 5 CVEs total

CVE-2024-0402 9.9 CRITICAL Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in GitLab
CVE-2023-6159 6.5 MEDIUM Inefficient Regular Expression Complexity in GitLab
CVE-2023-5612 5.3 MEDIUM Missing Authorization in GitLab
CVE-2024-0456 4.3 MEDIUM Direct Request ('Forced Browsing') in GitLab

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-80

V. Comments for CVE-2023-5933

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