XSS in Zscaler Client Connector
CVE-2023-28800
When using local accounts for administration, the redirect url parameter was not encoded correctly, allowing for an XSS attack providing admin login.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.005 (43.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Zscaler Client Connector — versions 0
- Zscaler Client Connector
Weakness classification (CWE)
References
- help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-… (Release Notes)
- help.zscaler.com/client-connector/client-connector-app-release-summary-2023 (Release Notes)
- help.zscaler.com/client-connector/client-connector-app-release-summary-2023 (Release Notes)
- help.zscaler.com/client-connector/client-connector-app-release-summary-2023 (Release Notes)
- help.zscaler.com/client-connector/client-connector-app-release-summary-2022 (Release Notes)
- help.zscaler.com/client-connector/client-connector-app-release-summary-2023 (Release Notes)
Frequently asked questions
- What is CVE-2023-28800?
- CVE-2023-28800 is a high-severity vulnerability in Zscaler Client Connector, classified under Cross-site Scripting. CVSS score: 8.1/10. Published 2023-06-22.
- How severe is CVE-2023-28800?
- High severity. CVSS v3 base score is 8.1 out of 10.