CVE-2021-21608
Last modified
CVE-2021-21608 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape button labels in the Jenkins UI, resulting in a cross-site scripting (XSS) vulnerability exploitable by attackers with the ability to control button labels.. EPSS estimates a 1.03% chance of exploitation in the next 30 days.
Description
Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape button labels in the Jenkins UI, resulting in a cross-site scripting (XSS) vulnerability exploitable by attackers with the ability to control button labels.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Jenkins | Jenkins | <= 2.263.1 |
| Jenkins | Jenkins | <= 2.274 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-21608?
How severe is CVE-2021-21608?
How do I fix CVE-2021-21608?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-21602Jenkins 2.274 and earlier, LTS 2.263.1 and earlier allows re…6.5
- CVE-2021-21603Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not …5.4
- CVE-2021-21604Jenkins 2.274 and earlier, LTS 2.263.1 and earlier allows at…8
- CVE-2021-21605Jenkins 2.274 and earlier, LTS 2.263.1 and earlier allows us…8
- CVE-2021-21606Jenkins 2.274 and earlier, LTS 2.263.1 and earlier improperl…4.3
- CVE-2021-21607Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not …6.5
- CVE-2021-21609Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not …5.3
- CVE-2021-2161Vulnerability in the Java SE, Java SE Embedded, Oracle Graal…5.9
- CVE-2021-21610Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not …6.1
- CVE-2021-21611Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not …5.4
- CVE-2021-21612Jenkins TraceTronic ECU-TEST Plugin 2.23.1 and earlier store…5.5
- CVE-2021-21613Jenkins TICS Plugin 2020.3.0.6 and earlier does not escape T…6.1
Are you affected by CVE-2021-21608?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST