CVE-2021-21648
Jenkins Credentials Plugin 2.3.18 and earlier does not escape user-controlled information on a view it provides, resulting in a reflected cross-site scripting (XSS) vulnerability.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 11.3%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
Jenkins Credentials Plugin 2.3.18 and earlier does not escape user-controlled information on a view it provides, resulting in a reflected cross-site scripting (XSS) vulnerability.
- CVSS 3.1
- 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 11.31% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- jenkins/credentials
- Source
- jenkinsci-cert@googlegroups.com
EPSS 11.3% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.