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February 23, 2021
Severity
Medium
Analysis Summary
CVE-2021-26544
Apache Livy is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the session name. A remote authenticated attacker could exploit this vulnerability to inject malicious script into a Web page which would be executed in a victim’s Web browser within the security context of the hosting Web site, once the page is viewed. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.
Impact
Cross-Site Scripting
Affected Vendors
Apache
Affected Products
Apache Livy 0.7.0-incubating
Remediation
Upgrade to the latest version of Apache Livy (0.7.1-incubating or later).