CVE-2021-21628

Description

Jenkins Build With Parameters Plugin 1.5 and earlier does not escape parameter names and descriptions, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.26% Top 25%
Vendor Advisory jenkins.io
Affected: Jenkins project Jenkins Build With Parameters Plugin
Published at:
Updated at:

References

Link Tags
https://www.jenkins.io/security/advisory/2021-03-30/#SECURITY-2231 vendor advisory
http://www.openwall.com/lists/oss-security/2021/03/30/1 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-21628?
CVE-2021-21628 has been scored as a medium severity vulnerability.
How to fix CVE-2021-21628?
To fix CVE-2021-21628, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-21628 being actively exploited in the wild?
It is possible that CVE-2021-21628 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21628?
CVE-2021-21628 affects Jenkins project Jenkins Build With Parameters Plugin.
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