Description
In Jenkins 2.321 through 2.355 (both inclusive) and LTS 2.332.1 through LTS 2.332.3 (both inclusive) the HTML output generated for new symbol-based SVG icons includes the 'title' attribute of 'l:ionicon' (until Jenkins 2.334) and 'alt' attribute of 'l:icon' (since Jenkins 2.335) without further escaping, resulting in a cross-site scripting (XSS) vulnerability.
Remediation
References
Related Vulnerabilities
WordPress Plugin WP Courses LMS Cross-Site Scripting (2.0.43)
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WordPress Plugin Jetpack-WP Security, Backup, Speed, & Growth Security Bypass (2.9.2)
WordPress Plugin Fancy Cats Multiple Cross-Site Scripting Vulnerabilities (1.1)
Internet Information Services Other Vulnerability (CVE-2002-0869)