CVE-2018-20824 describes a Cross-Site Scripting (XSS) vulnerability in the WallboardServlet resource of Atlassian Jira versions prior to 7.13.1. This flaw allows remote attackers to inject arbitrary HTML or JavaScript through the cyclePeriod parameter. With a CVSS score of 6.1 (Medium), the vulnerability is network-exploitable with low attack complexity, requiring user interaction, and could lead to limited confidentiality and integrity impacts. While no active exploitation or public exploit code (Metasploit, ExploitDB) has been identified, Nuclei templates exist for detection, and there is minimal community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 7.13.1CPE matchmatch criteria | cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.