CVE-2020-15944
An issue was discovered in the Gantt-Chart module before 5.5.5 for Jira. Due to missing...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-15944- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-15944- Updated
- 2026-11-02
EUVDEUVD-2020-7915 No score
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.
- Record
EUVD-2020-7915- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3hw8-h4fg-g6wr No score
An issue was discovered in the Gantt-Chart module before 5.5.5 for Jira. Due to missing...
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.
- Record
GHSA-3hw8-h4fg-g6wr- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-15944 is a medium vulnerability (CVSS 5.4) in Gantt-chart Project Gantt-chart, published August 4, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.35%, the 71st percentile. No source names a fixed version.
References
marketplace.atlassian.com/apps/28997/gantt-chart-for-jira?hosting=cloud&tab=overview
syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2020-030.txt
seclists.org/fulldisclosure/2020/Aug/1
packetstormsecurity.com/files/158752/Gantt-Chart-For-Jira-5.5.4-Cross-Site-Scripting.html
nvd.nist.gov/vuln/detail/CVE-2020-15944
github.com/advisories/GHSA-3hw8-h4fg-g6wr