Description

When using local accounts for administration, the redirect url parameter was not encoded correctly, allowing for an XSS attack providing admin login.

Classification

CVE ID: CVE-2023-28800

CVSS Base Severity: HIGH

CVSS Base Score: 8.1

Affected Products

Vendor: Zscaler

Product: Client Connector

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.18% (probability of being exploited)

EPSS Percentile: 56.23% (scored less or equal to compared to others)

EPSS Date: 2025-02-03 (when was this score calculated)

References

https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021?applicable_category=Windows&applicable_version=3.7&deployment_date=2021-11-26&id=1386541
https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Chrome%20OS&applicable_version=1.10.1&deployment_date=2023-03-10&id=1447771
https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Android&applicable_version=1.10.2&deployment_date=2023-03-09&id=1447706
https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=iOS&applicable_version=1.9.3&deployment_date=2023-03-03&id=1447071
https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=Linux&applicable_version=1.4&deployment_date=2022-10-31&id=1420246
https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=macOS&applicable_version=3.9&deployment_date=2023-01-25&id=1443546

Timeline