{"id":"CVE-2020-15944","aliases":["EUVD-2020-7915","GHSA-3hw8-h4fg-g6wr"],"status":"published","title":"An issue was discovered in the Gantt-Chart module before 5.5.5 for Jira. Due to missing...","description":"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.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01348,"percentile":0.71651,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2020-08-04T19:02:54Z","modified":"2026-06-17T02:57:28Z","products":[{"vendor":"gantt-chart_project","product":"gantt-chart"}],"references":[{"url":"https://marketplace.atlassian.com/apps/28997/gantt-chart-for-jira?hosting=cloud\u0026tab=overview","tags":["x_refsource_MISC","x_transferred","Product","Third Party Advisory"]},{"url":"https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2020-030.txt","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2020/Aug/1","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Exploit","Mailing List","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/158752/Gantt-Chart-For-Jira-5.5.4-Cross-Site-Scripting.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15944"},{"url":"https://github.com/advisories/GHSA-3hw8-h4fg-g6wr"}],"sources":{"cve":[{"id":"CVE-2020-15944","description":"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.","status":"published","published":"2020-08-04T19:02:54Z","modified":"2024-08-04T13:30:23.341Z","updated_at":"2026-11-02T14:35:49.879248Z"}],"euvd":[{"id":"EUVD-2020-7915","description":"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.","status":"published","published":"2020-08-04T19:02:54Z","modified":"2024-08-04T13:30:23Z","updated_at":"2026-11-03T03:07:29.843843Z"}],"ghsa":[{"id":"GHSA-3hw8-h4fg-g6wr","title":"An issue was discovered in the Gantt-Chart module before 5.5.5 for Jira. Due to missing...","description":"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.","status":"published","published":"2022-05-24T17:24:55Z","modified":"2023-01-29T05:03:27Z","updated_at":"2026-11-02T14:45:19.492424Z"}],"nvd":[{"id":"CVE-2020-15944","description":"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.","status":"published","published":"2020-08-04T20:15:12.227Z","modified":"2026-06-17T02:57:28.12Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:10.994748Z"}]}}