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CVE-2026-7481— Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') 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 EE 18.9.7之前版本、18.10.6之前版本和18.11.3之前版本存在跨站脚本漏洞，该漏洞源于输入清理不当，可能导致具有开发者角色权限的经过身份验证的用户在其他用户浏览器中执行任意JavaScript。

CVSS 8.7 · High EPSS 0.40% · P32

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise

Affected Version Matrix 3

VendorProduct Version RangeStatus
GitLab GitLab 16.4< 18.9.7 affected
18.10< 18.10.6 affected
18.11< 18.11.3 affected
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I. Basic Information for CVE-2026-7481

Vulnerability Information
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Vulnerability Title
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
Source: CVE Program / CVE List V5
Vulnerability Description
GitLab has remediated an issue in GitLab EE affecting all versions from 16.4 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with developer-role permissions to execute arbitrary JavaScript in other users' browsers due to improper input sanitization.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A: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
GitLab 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab是美国GitLab公司的一个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 EE 18.9.7之前版本、18.10.6之前版本和18.11.3之前版本存在跨站脚本漏洞，该漏洞源于输入清理不当，可能导致具有开发者角色权限的经过身份验证的用户在其他用户浏览器中执行任意JavaScript。
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 16.4 ~ 18.9.7 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-7481

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III. Intelligence Information for CVE-2026-7481

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Patches & Fixes for CVE-2026-7481 (2)

Same Patch Batch · GitLab · 2026-05-14 · 24 CVEs total

CVE-2026-7377 8.7 HIGH Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-6073 8.7 HIGH Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2025-14869 7.5 HIGH Improper Validation of Specified Quantity in Input in GitLab
CVE-2025-14870 7.5 HIGH Allocation of Resources Without Limits or Throttling in GitLab
CVE-2026-1659 7.5 HIGH Allocation of Resources Without Limits or Throttling in GitLab
CVE-2026-1322 6.8 MEDIUM Business Logic Errors in GitLab
CVE-2026-8280 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in GitLab
CVE-2026-1184 6.5 MEDIUM Deserialization of Untrusted Data in GitLab
CVE-2026-4527 6.5 MEDIUM Cross-Site Request Forgery (CSRF) in GitLab
CVE-2026-4524 6.5 MEDIUM Authentication Bypass Using an Alternate Path or Channel in GitLab
CVE-2026-3160 5.8 MEDIUM Unintended Proxy or Intermediary ('Confused Deputy') in GitLab
CVE-2026-6335 5.4 MEDIUM Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2025-12669 5.4 MEDIUM Improper Control of Generation of Code ('Code Injection') in GitLab
CVE-2026-8144 4.3 MEDIUM Missing Authorization in GitLab
CVE-2026-3074 4.3 MEDIUM Authorization Bypass Through User-Controlled Key in GitLab
CVE-2026-3073 4.3 MEDIUM Authorization Bypass Through User-Controlled Key in GitLab
CVE-2026-3607 4.3 MEDIUM Access Control Check Implemented After Asset is Accessed in GitLab
CVE-2026-1338 4.3 MEDIUM Authorization Bypass Through User-Controlled Key in GitLab
CVE-2026-6063 4.3 MEDIUM Authorization Bypass Through User-Controlled Key in GitLab
CVE-2025-13874 4.3 MEDIUM Authorization Bypass Through User-Controlled Key in GitLab

Showing top 20 of 24 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-79

V. Comments for CVE-2026-7481

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