CVE-2021-43942

https://notcve.org/view.php?id=CVE-2021-43942

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to inject arbitrary HTML or JavaScript via a Reflected Cross-Site Scripting (XSS) vulnerability in the /rest/collectors/1.0/template/custom endpoint. To exploit this issue, the attacker must trick a user into visiting a malicious website. The affected versions are before version 8.13.15, and from version 8.14.0 before 8.20.3. Las versiones afectadas de Atlassian Jira Server y Data Center permiten a atacantes remotos inyectar HTML o JavaScript arbitrarios por medio de una vulnerabilidad de tipo Cross-Site Scripting (XSS) Reflejado en el endpoint /rest/collectors/1.0/template/custom. Para explotar este problema, el atacante debe engañar a un usuario para que visite un sitio web malicioso. • https://jira.atlassian.com/browse/JRASERVER-73068 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •