CVE-2021-21630 — MEDIUM (5.4)

Q: How severe is CVE-2021-21630?

CVE-2021-21630 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-21630?

Check the references section above for vendor advisories and patch information. Affected products include: Jenkins Extra Columns.

Vulnerability Description

Jenkins Extra Columns Plugin 1.22 and earlier does not escape parameter values in the build parameters column, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Jenkins	Extra Columns	<= 1.22

Related Weaknesses (CWE)

CWE-79

References

http://www.openwall.com/lists/oss-security/2021/03/30/1Mailing ListThird Party Advisory
https://www.jenkins.io/security/advisory/2021-03-30/#SECURITY-2222Vendor Advisory
http://www.openwall.com/lists/oss-security/2021/03/30/1Mailing ListThird Party Advisory
https://www.jenkins.io/security/advisory/2021-03-30/#SECURITY-2222Vendor Advisory

FAQ

What is CVE-2021-21630?

CVE-2021-21630 is a vulnerability with a CVSS score of 5.4 (MEDIUM). Jenkins Extra Columns Plugin 1.22 and earlier does not escape parameter values in the build parameters column, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers w...

How severe is CVE-2021-21630?

CVE-2021-21630 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-21630?

Check the references section above for vendor advisories and patch information. Affected products include: Jenkins Extra Columns.