CVE-2019-20437 is a cross-site scripting (XSS) vulnerability affecting WSO2 API Manager 2.6.0, WSO2 IS as Key Manager 5.7.0, and WSO2 Identity Server 5.8.0. An authenticated attacker with management console privileges can inject and execute an XSS payload by configuring a malicious custom claim dialect and then selecting it as a provisioning claim. This vulnerability has a CVSS score of 6.1 (Medium), indicating a network-based attack with low complexity, requiring user interaction, and resulting in low impact to confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.6.0CPE matchmatch criteria | cpe:2.3:a:wso2:api_manager:2.6.0:*:*:*:*:*:*:* | ||
5.7.0CPE matchmatch criteria | cpe:2.3:a:wso2:identity_server:5.7.0:*:*:*:*:*:*:* | ||
5.8.0CPE matchmatch criteria | cpe:2.3:a:wso2:identity_server:5.8.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.