CVE-2022-34171: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

June 23, 2022 (updated November 3, 2023)

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.

References

nvd.nist.gov/vuln/detail/CVE-2022-34171
www.jenkins.io/security/advisory/2022-06-22/

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