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An XSS flaw in GitLab allows attackers to take over accounts | #hacking | #cybersecurity | #infosec | #comptia | #pentest | #hacker


An XSS flaw in GitLab allows attackers to take over accounts

Pierluigi Paganini
May 24, 2024

GitLab addressed a high-severity cross-site scripting (XSS) vulnerability that allows unauthenticated attackers to take over user accounts.

GitLab fixed a high-severity XSS vulnerability, tracked as CVE-2024-4835, that allows attackers to take over user accounts.

An attacker can exploit this issue by using a specially crafted page to exfiltrate sensitive user information.

The vulnerability impacts versions 15.11 before 16.10.6, 16.11 before 16.11.3, and 17.0 before 17.0.1.

The flaw was addressed with the release of versions 17.0.1, 16.11.3, and 16.10.6 for GitLab Community Edition (CE) and Enterprise Edition (EE).

“A XSS condition exists within GitLab in versions 15.11 before 16.10.6, 16.11 before 16.11.3, and 17.0 before 17.0.1.” reads the advisory published by the company. “By leveraging this condition, an attacker can craft a malicious page to exfiltrate sensitive user information.”

matanber reported this vulnerability through our HackerOne bug bounty program, he received a $10,270 bounty.

Below is the list of vulnerabilities addressed by the company:

In early May, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a GitLab Community and Enterprise Editions improper access control vulnerability to its Known Exploited Vulnerabilities (KEV) catalog.

The issue, tracked as CVE-2023-7028 (CVSS score: 10.0), is an account takeover via Password Reset. The flaw can be exploited to hijack an account without any interaction.

Pierluigi Paganini

Follow me on Twitter: @securityaffairs and Facebook and Mastodon

(SecurityAffairs – hacking, XSS)





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