An issue was discovered in the Gantt-Chart module before 5.5.5 for Jira. Due to missing validation of user input, it is vulnerable to a persistent XSS attack. An attacker can embed the attack vectors in the dashboard of other users. To exploit this vulnerability, an attacker has to be authenticated.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15944
Reference (s):
- FULLDISC:20200804 [SYSS-2020-030]: Jira module “Gantt-Chart for Jira” – Cross-Site Scripting (CWE-79)(CVE-2020-15944)
- URL: http://seclists.org/fulldisclosure/2020/Aug/1
- http://packetstormsecurity.com/files/158752/Gantt-Chart-For-Jira-5.5.4-Cross-Site-Scripting.html
- https://marketplace.atlassian.com/apps/28997/gantt-chart-for-jira?hosting=cloud&tab=overview
- https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2020-030.txt

