Cross-site scripting in JIRA

1) Cross-site scripting

EUVDB-ID: #VU18402

Risk: Medium

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-13395

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

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 when processing data passed via the Epic Colour field of an issue while an issue is being moved. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code 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: 7.6.0 - 7.11.0

CPE2.3

• cpe:2.3:a:atlassian:jira:7.6.7:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:7.7.4:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:7.8.4:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:7.9.2:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:7.11.0:*:*:*:*:*:*:*

External links

https://jira.atlassian.com/browse/JRASERVER-67848

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.