#VU21178 Cross-site scripting in Jira Software - CVE-2019-8450
Published: September 18, 2019
Vulnerability identifier: #VU21178
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-8450
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Jira Software
Jira Software
Software vendor:
Atlassian
Atlassian
Description
The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in the Optimization plugin. A remote authenticated attacker with permission to manage custom fields can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in the name of a custom field in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Remediation
Install update from vendor's website.