What is CVE-2022-0950?

CVE-2022-0950 is a medium-severity vulnerability in Showdoc, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 5.4/10. Published 2022-03-15.

How severe is CVE-2022-0950?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2022-0950 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Arbitrary file upload in Showdoc

CVE-2022-0950

Unrestricted Upload of File with Dangerous Type in GitHub repository star7th/showdoc prior to 2.10.4.

Vulnerability class: Unrestricted File Upload

Published 2022-03-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Showdoc
Star7th Star7th/showdoc — versions unspecified

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

References

huntr.dev/bounties/acc23996-bd57-448f-9eb4-05a8a046c2dc (Exploit, Third Party Advisory)
github.com/star7th/showdoc/commit/237ac6d43bf3728bf3587c486a23b4a48ea7acb3 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-0950?: CVE-2022-0950 is a medium-severity vulnerability in Showdoc, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 5.4/10. Published 2022-03-15.
How severe is CVE-2022-0950?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2022-0950 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.