Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1000 CNY

100.0%
Buy Us a Coffee

CVE-2025-12734— Improper Encoding or Escaping of Output in GitLab

CVSS 3.5 · Low EPSS 0.01% · P1
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2025-12734

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Improper Encoding or Escaping of Output in GitLab
Source: NVD (National Vulnerability Database)
Vulnerability Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.6 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to, under certain conditions, render content in dialogs to other users by injecting malicious HTML content into merge request titles.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
对输出编码和转义不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
GitLab Enterprise Edition（EE）和GitLab Community Edition（CE） 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab Enterprise Edition（EE）和GitLab Community Edition（CE）都是美国GitLab公司的产品。GitLab Enterprise Edition是一套内容管理系统。GitLab Community Edition是一种社区版 GitLab 。 GitLab Enterprise Edition（EE）和GitLab Community Edition（CE） 18.4.6之前版本、18.5版本至18.5.4之前版本和18.6版本至18.6.2之前版本存
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 15.6 ~ 18.4.6 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-12734

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2025-12734

请登录查看更多情报信息。

Same Patch Batch · GitLab · 2025-12-11 · 10 CVEs total

CVE-2025-127168.7 HIGHImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2025-120298.0 HIGHImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2025-84057.7 HIGHImproper Encoding or Escaping of Output in GitLab
CVE-2025-125627.5 HIGHAllocation of Resources Without Limits or Throttling in GitLab
CVE-2025-119846.8 MEDIUMAuthentication Bypass Using an Alternate Path or Channel in GitLab
CVE-2025-141576.5 MEDIUMAllocation of Resources Without Limits or Throttling in GitLab
CVE-2025-40976.5 MEDIUMAllocation of Resources Without Limits or Throttling in GitLab
CVE-2025-139784.3 MEDIUMGeneration of Error Message Containing Sensitive Information in GitLab
CVE-2025-112474.3 MEDIUMAuthorization Bypass Through User-Controlled Key in GitLab

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-116

V. Comments for CVE-2025-12734

No comments yet

Leave a comment