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01 Record

CVE-2023-6838

Reflected XSS vulnerability can be exploited by tampering a request parameter in Authentication Endpoint. This can be performed in both authenticated and unauthenticated requests.

MediumPUBLISHEDCNA: WSO2
CNA base score6.1 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

02 Description

Reflected XSS vulnerability can be exploited by tampering a request parameter in Authentication Endpoint. This can be performed in both authenticated and unauthenticated requests.

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
0.43% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 37.2% 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
2023-12-15 09:50Z2 YR AGO
Last updated
2024-08-02 08:42Z2 YR AGO
Reserved
2023-12-15
Assigning CNA
WSO2
Record state
PUBLISHED
Severity
Medium (CVSS 6.1)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weaknesses
  • CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
Data version
5.1
Document digest
6eb88927c1cef84d1c8b94563d5ca73f1058617d2c3ec8657349778125b5b1c3

05 Affected products

VendorProductVersionsPlatforms
WSO2WSO2 API Manager3.1.0.0 to < 3.1.0.14, 3.2.0.0 to < 3.2.0.10—
WSO2WSO2 Identity Server5.10.0.0 to < 5.10.0.5—
WSO2WSO2 IS as Key Manager5.10.0.0 to < 5.10.0.5—

06 References

07 Remediation

For WSO2 Subscription holders, the recommended solution is to apply the provided patch/update to the affected versions of the products. If there are any instructions given with the patch/update, please make sure those are followed properly. Community users may apply the relevant fixes to the product based on the public fix(s) advertised in https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2021/WSO2-2020-1... https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2021/WSO2-2020-1233/