This advisory has been withdrawn because the npm package effect, for which alerts were issued, does not correspond with https://github.com/Javascipt/effect, the repository with the vulnerable code. https://github.com/Javascipt/effect is not in any supported ecosystem.
Additionally, the CVE Numbering Authority that issued the CVE for CVE-2020-7624 has updated their advisory stating that "This was deemed not a vulnerability."
effect through 1.0.4 is vulnerable to Command Injection. It allows execution of arbitrary command via the options argument.
{
"cwe_ids": [
"CWE-78"
],
"github_reviewed": true,
"github_reviewed_at": "2021-05-18T23:10:14Z",
"nvd_published_at": "2020-04-02T22:15:00Z",
"severity": "CRITICAL"
}