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CVE-2021-21667

MEDIUMCVSS 5.4/10EPSS 75.74%

Last modified

CVE-2021-21667 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Jenkins Scriptler Plugin 3.2 and earlier does not escape parameter names shown in job configuration forms, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Scriptler/Configure permission.. EPSS estimates a 75.74% chance of exploitation in the next 30 days.

Description

Jenkins Scriptler Plugin 3.2 and earlier does not escape parameter names shown in job configuration forms, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Scriptler/Configure permission.

Metrics

CVSS 3.1
5.4/10

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

EPSS Probability
75.74%

99.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
JenkinsScriptler<= 3.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-21667?
Jenkins Scriptler Plugin 3.2 and earlier does not escape parameter names shown in job configuration forms, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Scriptler/Configure permission.
How severe is CVE-2021-21667?
CVE-2021-21667 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 75.74% probability of exploitation in the next 30 days.
How do I fix CVE-2021-21667?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-21667?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST