Cross-site scripting (XSS) via Host Header injection in PKP Open Journals System 2.4.8 >= 3.3 allows remote attackers to inject arbitary code via the X-Forwarded-Host Header.
Conclusion & alert: CVE-2022-24181 is rated High Exploit Risk (71.9/100): CVSS Medium severity, with high exploitation likelihood (EPSS 6.08%, 92th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 50881 | exploit_db | edb | 2022-04-19 | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-18 | 5.97% | 6.08% | +0.11% |
| 2 | 2026-06-15 | 3.60% | 5.97% | +2.37% |
| 3 | 2026-02-28 | — | 3.60% | — |
Full EPSS history (33 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| public_knowledge_project | open_journal_systems | >= 2.4.8, <= 3.3 | cpe:2.3:a:public_knowledge_project:open_journal_systems:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/pkp/pkp-lib/issues/7649 | Issue Tracking Third Party Advisory |