Description

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape notification bar response contents, resulting in a cross-site scripting (XSS) vulnerability.

Remediation

References

CVE-2021-21603

Related Vulnerabilities

Python Improper Input Validation Vulnerability (CVE-2021-29921)

Joomla Incorrect Authorization Vulnerability (CVE-2021-26027)

XOOPS Improper Link Resolution Before File Access ('Link Following') Vulnerability (CVE-2008-0613)

Squid Missing Release of Memory after Effective Lifetime Vulnerability (CVE-2021-28652)

WordPress Plugin Bug Library Unspecified Vulnerability (2.0.7)

Severity

Medium

Classification

CVE-2021-21603 CWE-707 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Tags

Missing Update Known Vulnerabilities