Multiple cross-site request forgery (CSRF) vulnerabilities in file/show.cgi in Webmin 1.590 and earlier allow remote attackers to hijack the authentication of privileged users for requests that (1) read files or execute (2) tar, (3) zip, or (4) gzip commands, a different issue than CVE-2012-2982.
http://www.kb.cert.org/vuls/id/788478
http://www.americaninfosec.com/research/dossiers/AISG-12-001.pdf