pyscriptjs (aka PyScript Demonstrator) in PyScript through 2022-05-04 allows a remote user to read Python source code.
Conclusion & alert: CVE-2022-30286 is rated High Exploit Risk (78.8/100): CVSS High severity, with high exploitation likelihood (EPSS 13.27%, 96th percentile). Core evidence: 5 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 |
|---|---|---|---|---|
| 50918 | exploit_db | edb | 2022-05-11 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | 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 | 2026-07-03 | 13.00% | 13.27% | +0.27% |
| 2 | 2026-06-15 | 30.80% | 13.00% | -17.80% |
| 3 | 2025-11-21 | — | 30.80% | — |
Full EPSS history (33 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| URL | Tags |
|---|---|
| http://packetstormsecurity.com/files/167069/PyScript-2022-05-04-Alpha-Source-Code-Disclosure.html | Exploit Third Party Advisory VDB Entry |
| https://cyber-guy.gitbook.io/cyber-guy/blogs/the-art-of-vulnerability-chaining-pyscript | Exploit Third Party Advisory |
| https://cyber-guy.gitbook.io/cyber-guy/pocs/pyscript-file-read | Exploit Third Party Advisory |
| https://github.com/pyscript/pyscript/commits/main | Patch Third Party Advisory |
| https://www.exploit-db.com/exploits/50918 | Exploit Third Party Advisory VDB Entry |