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CVE-2021-21611

medium CVSS 5.4 EPSS 1.0%

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape display names and IDs of item types shown on the New Item page, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to specify display names or IDs of item types.

Versions it affects

Software versions checked with the free lookup that CVE-2021-21611 applies to, and the release that fixes it where the sources name one.

Jenkins 1.509

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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