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CVE-2026-13320— Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

CVSS 7.3 · High EPSS 0.24% · P15

Affected Version Matrix 3

VendorProductVersion RangeStatus
GitLabGitLab15.7< 18.11.7affected
19.0< 19.0.4affected
19.1< 19.1.2affected
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I. Basic Information for CVE-2026-13320

Vulnerability Information
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Vulnerability Title
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
Source: NVD (National Vulnerability Database)
Vulnerability Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.7 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user to execute arbitrary scripts in another user's browser session due to improper sanitization of user-supplied input.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
GitLab 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab是美国GitLab公司开源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存在跨站脚本漏洞，该漏洞源于对用户提供的输入清理不当，可能导致经过身份验证的用户在另一用户的浏览器会话中执行任意脚本。以下版本受到影响：CE/EE 15.7至18.11.7之前版本、19.0至19.0.4之前版本和19.1至19.1.2之前版本。
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

VendorProductAffected VersionsCPESubscribe
GitLabGitLab 15.7 ~ 18.11.7 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-13320

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III. Intelligence Information for CVE-2026-13320

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Patches & Fixes for CVE-2026-13320 (1)

Other References for CVE-2026-13320 (1)

Same Patch Batch · GitLab · 2026-07-08 · 8 CVEs total

CVE-2026-68968.7 HIGHImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-118274.9 MEDIUMInsufficiently Protected Credentials in GitLab
CVE-2026-84724.3 MEDIUMMissing Authorization in GitLab
CVE-2026-74924.3 MEDIUMMissing Authorization in GitLab
CVE-2025-125063.5 LOWUse of Incorrectly-Resolved Name or Reference in GitLab
CVE-2026-131512.7 LOWIncorrect Authorization in GitLab
CVE-2026-63522.7 LOWIncorrect Authorization in GitLab

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-13320

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