XSS in Gantt-Chart Project

CVE-2020-15943

An issue was discovered in the Gantt-Chart module before 5.5.4 for Jira. Due to a missing privilege check, it is possible to read and write to the module configuration of other users. This can also be used to deliver an XSS payload to other users' dashboards. To exploit this vulnerability, an attacker has to be authenticated.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.021 (80.9th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-15943: held from 0.018 to 0.021.

EPSS over last 30 days · oldest: 0.018 · newest: 0.021 · change: +0.003

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-15943?
CVE-2020-15943 is a high-severity vulnerability in Gantt-Chart Project, classified under Cross-site Scripting. CVSS score: 8.1/10. Published 2020-08-04.
How severe is CVE-2020-15943?
High severity. CVSS v3 base score is 8.1 out of 10.