CVE-2022-30286

HIGHNVD 7.57.5—Elevated

7.5

pyscriptjs (aka PyScript Demonstrator) in PyScript through 2022-05-04 allows a remote user to read Python source code.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 96.8%
KEV: Not listed

Published

May 9, 2022

Last Modified

November 21, 2024

References (10)

cve@mitrehttp://packetstormsecurity.com/files/167069/PyScript-2022-05-04-Alpha-Source-Code-Disclosure.html
cve@mitrehttps://cyber-guy.gitbook.io/cyber-guy/blogs/the-art-of-vulnerability-chaining-pyscript
cve@mitrehttps://cyber-guy.gitbook.io/cyber-guy/pocs/pyscript-file-read
cve@mitrehttps://github.com/pyscript/pyscript/commits/main
cve@mitrehttps://www.exploit-db.com/exploits/50918
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/167069/PyScript-2022-05-04-Alpha-Source-Code-Disclosure.html
af854a3a-2127-422b-91ae-364da2661108https://cyber-guy.gitbook.io/cyber-guy/blogs/the-art-of-vulnerability-chaining-pyscript
af854a3a-2127-422b-91ae-364da2661108https://cyber-guy.gitbook.io/cyber-guy/pocs/pyscript-file-read
af854a3a-2127-422b-91ae-364da2661108https://github.com/pyscript/pyscript/commits/main
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/50918

Data Freshness Timeline

(refreshed 8× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:15 UTCEPSS rescore
2026-06-08 14:15 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-29 13:43 UTCEPSS rescore
2026-05-29 13:42 UTCEPSS rescore
2026-05-28 13:43 UTCEPSS rescore
2026-05-28 13:43 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-50918
First seen May 11, 2022
PyScript - Read Remote Python Source Code
Open source ↗

Frequently asked(5)

What is CVE-2022-30286?

CVE-2022-30286 is a high vulnerability published on May 9, 2022. pyscriptjs (aka PyScript Demonstrator) in PyScript through 2022-05-04 allows a remote user to read Python source code.

When was CVE-2022-30286 disclosed?

CVE-2022-30286 was first published in the National Vulnerability Database on May 9, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-30286 actively exploited?

CVE-2022-30286 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 96.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-30286?

CVE-2022-30286 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2022-30286?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-30286, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2022-30286

📅 Published

🔄 Last Modified

🔗 References (10)