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CVE-2018-20824

6.1 · MEDIUM

The WallboardServlet resource in Jira before version 7.13.1 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the cyclePeriod parameter.

Published May 3, 2019CWE-79EPSS 37.99%

Overview

CVE-2018-20824 is a medium-severity vulnerability. It was published on May 3, 2019 and has a CVSS 3.0 base score of 6.1 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The WallboardServlet resource in Jira before version 7.13.1 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the cyclePeriod parameter.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refjira.atlassian.com/browse/JRASERVER-69238Refjira.atlassian.com/browse/JRASERVER-69238

How CyberStrike helps

Frequently asked questions

What is CVE-2018-20824?

CVE-2018-20824 is a medium-severity vulnerability. It was published on May 3, 2019 and has a CVSS 3.0 base score of 6.1 (MEDIUM).

How severe is CVE-2018-20824?

This vulnerability has a CVSS 3.0 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2018-20824?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-20824?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-20824 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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