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CVSS: 8.8EPSS: 0%CPEs: 1EXPL: 1

github-slug-action is a GitHub Action to expose slug value of GitHub environment variables inside of one's GitHub workflow. Starting in version 4.0.0` and prior to version 4.4.1, this action uses the `github.head_ref` parameter in an insecure way. This vulnerability can be triggered by any user on GitHub on any workflow using the action on pull requests. They just need to create a pull request with a branch name, which can contain the attack payload. This can be used to execute code on the GitHub runners and to exfiltrate any secrets one uses in the CI pipeline. • https://github.com/rlespinasse/github-slug-action/commit/102b1a064a9b145e56556e22b18b19c624538d94 https://github.com/rlespinasse/github-slug-action/releases/tag/v4.4.1 https://github.com/rlespinasse/github-slug-action/security/advisories/GHSA-6q4m-7476-932w https://securitylab.github.com/research/github-actions-untrusted-input • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') •