#VU21178 Cross-site scripting in Jira Software - CVE-2019-8450
Vulnerability identifier: #VU21178
Vulnerability risk: Low
CVSSv4.0: 0.4 [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:
CWE-ID:
CWE-79
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Jira Software
Client/Desktop applications /
Other client software
Vendor: 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.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Jira Software: 1.4.3, 2.0.2, 2.1, 2.2, 2.3, 2.4 - 2.4.1, 2.5.1 - 2.5.3, 2.6 - 2.6.1, 2.7.1 - 2.7.4, 2.8 - 2.8.3, 2.9 - 2.9.5, 2.10 - 2.10.4, 2.11, 2.12 - 2.12.1, 2.13, 2.14 - 2.14.2, 2.15, 2.16, 3, 3.0 - 3.0.3, 3.1 - 3.13.5, 3.2 - 3.2.4, 3.3 - 3.3.3, 3.4 - 3.4.3, 3.5 - 3.5.3, 3.6 - 3.6.5, 3.7 - 3.7.4, 3.8 - 3.8.4, 3.9 - 3.9.3, 4, 4.0 - 4.0.2, 4.1-M1 - 4.1.2, 4.2-m6 - 4.2.4-b591, 4.3-m1 - 4.3.4, 4.4 - 4.4.5, 5.2.11, 6.0-OD-15 - 6.0.3, 6.1-OD-1, 6.2.1 - 6.2.7, 6.3.0 - 6.3.15, 6.4.0 - 6.4.14, 6.5.0 - 6.5.2, 6.6.0 - 6.6.3, 6.7.0 - 6.7.16, 6.8.0 - 6.8.2, 7.0 - 7.0.11, 7.1 - 7.13.5, 7.2.0 - 7.2.15, 7.3 - 7.3.9, 7.4.0 - 7.4.6, 7.5.0 - 7.5.4, 7.6.0 - 7.6.16, 7.7.0 - 7.7.5, 7.8.0 - 7.8.5, 7.9.0 - 7.9.3, 8.0.0-m0025 - 8.0.3, 8.1.0 - 8.1.3, 8.2.0 - 8.2.5, 8.3.0 - 8.3.4
External links
https://jira.atlassian.com/browse/JRASERVER-69795
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
