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CVE-2021-21603

medium CVSS 5.4 EPSS 1.0%

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.

Versions it affects

Software versions checked with the free lookup that CVE-2021-21603 applies to, and the release that fixes it where the sources name one.

At a glance

Severity: Medium
CVSS base score: 5.4 out of 10
Known exploited: Not in CISA's catalogue of exploited vulnerabilities
EPSS: 1.0% probability of exploitation in the next 30 days, higher than 62% of scored vulnerabilities
Weakness: CWE-79
Published: 2021-01-13

NVD CVE.org

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