CenterIM 4.22.3 and earlier allows user-assisted remote attackers to execute arbitrary commands via shell metacharacters in a URI, related to "received URLs in the message window." NOTE: this issue has been disputed due to the user-assisted nature, since the URL must be selected and launched by the victim
https://www.redhat.com/archives/fedora-package-announce/2008-April/msg00076.html
https://www.redhat.com/archives/fedora-package-announce/2008-April/msg00073.html
https://www.exploit-db.com/exploits/5283
https://exchange.xforce.ibmcloud.com/vulnerabilities/41362
http://www.vupen.com/english/advisories/2008/0956/references