Description
Apereo CAS through 6.4.1 allows XSS via POST requests sent to the REST API endpoints.
Automated scanner template
A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.
- Apereo CAS Cross-Site Scripting http/cves/2021/CVE-2021-42567.yaml
Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | org.apereo.cas:cas-server-core-web | < 6.4.2 | 6.4.2 | GHSA-gfhx-jjwq-63gv |
Advisories 1
- WID-SEC-2024-0794 Dell ECS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 11, 2026