CVE-2020-2194 Stored XSS vulnerability in Jenkins ECharts API Plugin
Stored XSS in Jenkins ECharts API Plugin allows attackers to execute scripts via unescaped build display names, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2020-2194?
CVE-2020-2194 is a medium-severity cross-site scripting vulnerability in Jenkins ECharts API Plugin, published on 3 Jun 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Jenkins ECharts API Plugin 4.7.0-3 and earlier does not escape the display name of the builds in the trend chart, resulting in a stored cross-site scripting vulnerability.
Weakness: CWE-79
Which versions are affected by CVE-2020-2194?
2 open source packages ship an affected version, including io.jenkins.plugins:echarts-api. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
io.jenkins.plugins:echarts-api Maven | All versions | 4.7.0-4 |
io.jenkins.plugins:echarts-api Maven | All versions | 4.7.0-4 |
Products include Jenkins Echarts Api.
How do I fix CVE-2020-2194?
Upgrade io.jenkins.plugins:echarts-api to 4.7.0-4 or later.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2020-2194 being exploited?
There is no known exploitation of CVE-2020-2194 in the wild and no public exploit code.
Other vulnerabilities in Jenkins ECharts API Plugin
Sources
Also known as GHSA-q397-w28f-jx97.