01 Record
CVE-2019-20437
An issue was discovered in WSO2 API Manager 2.6.0, WSO2 IS as Key Manager 5.7.0, and WSO2 Identity Server 5.8.0. When a custom claim dialect with an XSS payload is configured in the identity provider
MediumPUBLISHEDCNA: mitre
CNA base score6.1 CVSS v3.xCVSS:3.0/AC:L/AV:N/A:N/C:L/I:L/PR:N/S:C/UI:R
02 Description
An issue was discovered in WSO2 API Manager 2.6.0, WSO2 IS as Key Manager 5.7.0, and WSO2 Identity Server 5.8.0. When a custom claim dialect with an XSS payload is configured in the identity provider
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.27% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 69.5% of scored records. A rank, not a probability.
- NVD base score
- 6.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-01-27 23:38Z6 YR AGO
- Last updated
- 2024-08-05 02:39Z2 YR AGO
- Reserved
- 2020-01-27
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.1)
- CNA CVSS vector
- CVSS:3.0/AC:L/AV:N/A:N/C:L/I:L/PR:N/S:C/UI:R
- Weaknesses
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
- Data version
- 5.1
- Document digest
- 948730715d22b5ff730767eaf6911f5243cc0f92cfce6306013248a43341396e