vulnerability
Arch Linux: Cross-site scripting (CVE-2021-21608)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 3 | (AV:N/AC:M/Au:S/C:N/I:P/A:N) | Jan 13, 2021 | Jul 11, 2025 | Mar 25, 2026 |
Severity
3
CVSS
(AV:N/AC:M/Au:S/C:N/I:P/A:N)
Published
Jan 13, 2021
Added
Jul 11, 2025
Modified
Mar 25, 2026
Description
Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape button labels in the Jenkins UI. This results in a cross-site scripting vulnerability exploitable by attackers with the ability to control button labels. An example of buttons with a user-controlled label are the buttons of the Pipeline input step. Jenkins 2.275, LTS 2.263.2 escapes button labels in the Jenkins UI.
Solution
arch-linux-upgrade-latest
References
- CVE-2021-21608
- https://attackerkb.com/topics/CVE-2021-21608
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-5639
- https://security.archlinux.org/ASA-202101-41
- https://www.jenkins.io/security/advisory/2021-01-13/
- https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-2035
- CWE-79
- EUVD-EUVD-2022-5639
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