How severe is CVE-2020-15944?

CVE-2020-15944 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-15944 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15944?

CVE-2020-15944 affects Gantt-chart Project Gantt-chart. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-15944?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-15944 published?

CVE-2020-15944 was published on 2020-08-04 and last updated on 2026-06-17.

CVE-2020-15944

CVE-2020-15944 is a medium-severity vulnerability in Gantt-chart Project Gantt-chart with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Gantt-chart Project Gantt-chart
Published: 2020-08-04
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-15944?: 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.
How severe is CVE-2020-15944?: CVE-2020-15944 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-15944 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15944?: CVE-2020-15944 affects Gantt-chart Project Gantt-chart. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-15944?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-15944 published?: CVE-2020-15944 was published on 2020-08-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gantt-chart_project:gantt-chart:*:*:*:*:*:jira:*:*

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