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CVE-2026-7481 describes a Cross-Site Scripting (XSS) vulnerability discovered in GitLab EE. This flaw allows an authenticated user possessing developer-role permissions to inject and execute arbitrary JavaScript code within the browsers of other GitLab users. The vulnerability impacts versions ranging from 16.4.0 through 18.11.3, and a patch is available in version 18.11.3.
影响与攻击场景翻译中…
Successful exploitation of CVE-2026-7481 could lead to a wide range of malicious activities. An attacker could steal session cookies, allowing them to impersonate other users and gain unauthorized access to sensitive data and functionality. They could also deface GitLab pages, redirect users to phishing sites, or inject malware. The impact is particularly severe because the vulnerability requires only developer-role permissions, a relatively common role within GitLab environments, expanding the potential attack surface significantly. This vulnerability shares similarities with other XSS vulnerabilities where user input is not properly sanitized before being rendered in a web page.
利用背景翻译中…
CVE-2026-7481 was published on 2026-05-14. Its severity is rated HIGH with a CVSS score of 8.7. There are currently no publicly known Proof-of-Concept (POC) exploits available. The vulnerability is not listed on KEV or EPSS, suggesting a low to medium probability of active exploitation at this time. Monitor security advisories and threat intelligence feeds for any updates regarding exploitation attempts.
威胁情报
漏洞利用状态
CISA SSVC
CVSS 向量
这些指标意味着什么？
- Attack Vector
- 网络 — 可通过互联网远程利用，无需物理或本地访问。攻击面最大。
- Attack Complexity
- 低 — 无需特殊条件，可以稳定地利用漏洞。
- Privileges Required
- 低 — 任何有效用户账户均可。
- User Interaction
- 需要 — 受害者必须打开文件、点击链接或访问特制页面。
- Scope
- 已改变 — 攻击可以超出脆弱组件，影响其他系统。
- Confidentiality
- 高 — 完全丧失机密性，攻击者可读取所有数据。
- Integrity
- 高 — 攻击者可写入、修改或删除任何数据。
- Availability
- 无 — 无可用性影响。
受影响的软件
弱点分类 (CWE)
时间线
- 已保留
- 发布日期
缓解措施和替代方案翻译中…
The primary mitigation for CVE-2026-7481 is to upgrade GitLab EE to version 18.11.3 or later. If an immediate upgrade is not feasible, consider implementing stricter input validation and output encoding within your GitLab instance. While not a complete solution, a Web Application Firewall (WAF) configured to detect and block XSS payloads can provide an additional layer of defense. Regularly review and update GitLab's security configuration to minimize the risk of similar vulnerabilities. After upgrading, confirm the fix by attempting to trigger the XSS vulnerability with a known payload and verifying that it is no longer successful.
修复方法翻译中…
Actualice GitLab a la versión 18.9.7 o superior, 18.10.6 o superior, o 18.11.3 o superior para mitigar la vulnerabilidad de Cross-Site Scripting (XSS). Esta actualización corrige la falta de sanitización adecuada de la entrada, previniendo la ejecución de código JavaScript malicioso en el navegador de otros usuarios.
常见问题翻译中…
What is CVE-2026-7481 — XSS in GitLab?
CVE-2026-7481 is a Cross-Site Scripting (XSS) vulnerability in GitLab EE that allows authenticated users with developer role to execute JavaScript in other users' browsers due to improper input sanitization.
Am I affected by CVE-2026-7481 in GitLab?
You are affected if you are running GitLab EE versions 16.4.0 through 18.11.3. Upgrade to version 18.11.3 or later to mitigate the risk.
How do I fix CVE-2026-7481 in GitLab?
The recommended fix is to upgrade GitLab EE to version 18.11.3 or a later version. Consider implementing WAF rules as an interim measure.
Is CVE-2026-7481 being actively exploited?
Currently, there are no publicly known active exploitation campaigns for CVE-2026-7481, but continuous monitoring is advised.
Where can I find the official GitLab advisory for CVE-2026-7481?
Refer to the official GitLab security advisory for CVE-2026-7481 on the GitLab website: [https://about.gitlab.com/security/advisories/](https://about.gitlab.com/security/advisories/)
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