#VU65891 Cross-site scripting in Atlassian products - CVE-2022-26136

Vulnerability identifier: #VU65891

Vulnerability risk: Low

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:Clear]

CVE-ID: CVE-2022-26136

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Bamboo Server and Data Center
Server applications / Other server solutions
Bitbucket Data Center
Server applications / Other server solutions
Confluence Data Center
Server applications / Other server solutions
Crowd Data Center
Server applications / Other server solutions
Jira Service Management Server
Server applications / Other server solutions
Jira Software
Client/Desktop applications / Other client software
Atlassian Crucible
Client/Desktop applications / Office applications
Atlassian Fisheye
Client/Desktop applications / Office applications

Vendor: Atlassian

Description

The disclosed 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 Servlet Filter. 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

Bamboo Server and Data Center: 7.2.0 - 8.2.3

Bitbucket Data Center: 7.6.0 - 7.6.15, 7.17.0 - 7.19.4, 7.20.0 - 7.20.1, 8.0.0, 8.1.0

Confluence Data Center: 7.4.0 - 7.4.16, 7.13.0 - 7.18.0

Crowd Data Center: 4.3.0 - 4.3.7, 4.4.0 - 4.4.1, 5.0.0

Jira Software: 8.13.0 - 8.13.21, 8.20.0 - 8.22.3

Jira Service Management Server: 4.13.0 - 4.13.21, 4.20.0 - 4.22.5

Atlassian Crucible: 4.8.0 - 4.8.9

Atlassian Fisheye: 4.8.0 - 4.8.9

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External links
https://jira.atlassian.com/browse/CWD-5815
https://jira.atlassian.com/browse/FE-7410
https://jira.atlassian.com/browse/JRASERVER-73897
https://jira.atlassian.com/browse/BAM-21795
https://jira.atlassian.com/browse/JSDSERVER-11863
https://jira.atlassian.com/browse/CONFSERVER-79476
https://jira.atlassian.com/browse/CRUC-8541
https://jira.atlassian.com/browse/BSERV-13370

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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.