What is CVE-2022-0962?

CVE-2022-0962 is a medium-severity vulnerability in Showdoc, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 5.4/10. Published 2022-03-14.

How severe is CVE-2022-0962?

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

XSS in Showdoc

CVE-2022-0962

Stored XSS viva .webma file upload in GitHub repository star7th/showdoc prior to 2.10.4.

Vulnerability class: Unrestricted File Upload

Published 2022-03-14 · 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: 0.009 (58.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Showdoc
Star7th Star7th/showdoc — versions unspecified

Weakness classification (CWE)

References

huntr.dev/bounties/7ebe3e5f-2c86-44de-b83e-2ddb6bbda908 (Exploit, Third Party Advisory)
github.com/star7th/showdoc/commit/3caa32334db0c277b84e993eaca2036f5d1dbef8 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-0962?: CVE-2022-0962 is a medium-severity vulnerability in Showdoc, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 5.4/10. Published 2022-03-14.
How severe is CVE-2022-0962?: Medium severity. CVSS v3 base score is 5.4 out of 10.