CVE-2024-28175

Summary

CVE-2024-28175 is a cross-site scripting (XSS) vulnerability affecting Argo CD, a popular GitOps continuous delivery tool for Kubernetes. The vulnerability arises from improper filtering of links in the `link.argocd.argoproj.io` annotations within application summaries. An attacker can exploit this flaw by injecting malicious javascript links, which, when clicked by a user, execute with the victim's permissions, including admin. This XSS bug enables an attacker to manipulate Argo CD's API, enabling creation, modification, and deletion of Kubernetes resources. Patches for this vulnerability have been released in versions v2.10.3, v2.9.8, and v2.8.12. Upgrading is the most effective mitigation, with no completely-safe workarounds. Alternatively, implementing a Kubernetes admission controller to reject resources with `link.argocd.argoproj.io` annotations or resources with improper URL protocols can provide additional protection.

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