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Vulnerability record · CVE-2022-30286 · published 9 May 2022

CVE-2022-30286: Pyscript vulnerability

Pyscript · Pyscript

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

7.5 CVSS 3.1 High EPSS 14% · top 3.6%
7.5CVSS 3.1 base score, v2 5.0
14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References, 8 tagged exploit
17 Jun 2026Last modified by NVD

Description

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/167069/PyScript-2022-05-04-Alpha-Source-Code-Disclosure.html ExploitThird Party AdvisoryVDB Entry
https://cyber-guy.gitbook.io/cyber-guy/blogs/the-art-of-vulnerability-chaining-pyscript ExploitThird Party Advisory
https://cyber-guy.gitbook.io/cyber-guy/pocs/pyscript-file-read ExploitThird Party Advisory
https://github.com/pyscript/pyscript/commits/main PatchThird Party Advisory
https://www.exploit-db.com/exploits/50918 ExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/167069/PyScript-2022-05-04-Alpha-Source-Code-Disclosure.html ExploitThird Party AdvisoryVDB Entry
https://cyber-guy.gitbook.io/cyber-guy/blogs/the-art-of-vulnerability-chaining-pyscript ExploitThird Party Advisory
https://cyber-guy.gitbook.io/cyber-guy/pocs/pyscript-file-read ExploitThird Party Advisory
https://github.com/pyscript/pyscript/commits/main PatchThird Party Advisory
https://www.exploit-db.com/exploits/50918 ExploitThird Party AdvisoryVDB Entry

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Source: NIST National Vulnerability Database (record CVE-2022-30286), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.