CVE-2021-21618
Stored XSS vulnerability in Jenkins Repository Connector Plugin
5.4
MEDIUM
CVSS 3.1
EPSS 82.2%
Description
Jenkins Repository Connector Plugin 2.0.2 and earlier does not escape parameter names and descriptions for past builds. This results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission. Jenkins Repository Connector Plugin 2.0.3 escapes parameter names and descriptions when creating new parameters.
How to fix CVE-2021-21618
To remediate CVE-2021-21618, upgrade the affected package to a fixed version below.
- —upgrade to 2.0.3 or later
Is CVE-2021-21618 being exploited?
Likely — EPSS is 82.2%, placing CVE-2021-21618 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (1)
- from 0, < 2.0.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |