All vulnerabilities

Servers and applications

CVE-2018-20827

The activity stream gadget 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 country parameter.

Severity
Medium 5.4
Published
9 Aug 2019
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
7.13.1
Exploit chance
0.8% in the next 30 daysHigher than 55% of CVEs. EPSS by FIRST, 10 Nov 2026
Weakness
Cross-site scripting (CWE-79)
Attack
Over the network · Needs a user account · Needs someone to click or open something
Attacker can
Read some data · Change some data
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Sources
NVD

Affected software

SoftwareAffected versions
JiraServers and applications · cpe:a:atlassian:jira
  • From 7.0.0 before 7.13.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-20827
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-20827