Patchfirst
CVE-2021-43942 EPSS 55.4%

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to inject arbitrary HTML or…

Atlassian · Jira Server

Summary

The vulnerability is a reflected cross-site scripting flaw in the /rest/collectors/1.0/template/custom endpoint of Atlassian Jira Server and Data Center. An attacker who lures a user into visiting a malicious website can inject arbitrary HTML or JavaScript into the victim's session, and exploitation requires that user interaction.

Official description · CVE.org

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to inject arbitrary HTML or JavaScript via a Reflected Cross-Site Scripting (XSS) vulnerability in the /rest/collectors/1.0/template/custom endpoint. To exploit this issue, the attacker must trick a user into visiting a malicious website. The affected versions are before version 8.13.15, and from version 8.14.0 before 8.20.3.

Breakdown
19.8 / 100
Exploited
Not confirmed
Reports
0
Tactics
0/15

Disclosed on 4 Jan 2022. No public exploit code or confirmed exploitation is recorded.

techniques

No techniques linked

No ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.

What security researchers reported

Not named in any threat report yet

References

1 link, grouped by NVD tag
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