What is CVE-2022-0946?

CVE-2022-0946 is a medium-severity vulnerability in Showdoc, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-03-14.

How severe is CVE-2022-0946?

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

XSS in Showdoc

CVE-2022-0946

Stored XSS viva cshtm file upload in GitHub repository star7th/showdoc prior to v2.10.4.

Vulnerability class: XSS (Cross-Site Scripting)

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: 0.008 (55.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Showdoc
Star7th Star7th/showdoc — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

huntr.dev/bounties/1f8f0021-396e-428e-9748-dd4e359715e1 (Exploit, Patch, Third Party Advisory, Issue Tracking)
github.com/star7th/showdoc/commit/e5d575928b1371a7e07b09b6592822298335062a (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-0946?: CVE-2022-0946 is a medium-severity vulnerability in Showdoc, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-03-14.
How severe is CVE-2022-0946?: Medium severity. CVSS v3 base score is 5.4 out of 10.