# Information disclosure through processing of external XML entities

Advisory record · `GHSA-427g-2r83-3ccm`

- **Identifiers:** `GHSA-427g-2r83-3ccm` · `CVE-2019-8126` · `PKSA-25tw-5qhs-qn2g` · `PKSA-spcq-d579-ch79`
- **State:** Confirmed
- **Severity:** CVSS 4.9 Medium
- **Critical:** No
- **Weakness (CWE):** [CWE-611](https://cwe.mitre.org/data/definitions/611.html) · [CWE-776](https://cwe.mitre.org/data/definitions/776.html)
- **Tags:** [XML external entities (XXE)](https://agentprime.io/advisories/tag/xxe.md) · [Denial of service](https://agentprime.io/advisories/tag/dos.md)
- **Published:** 12 Nov 2019
- **Updated:** 16 Feb 2024
- **Reviewed by a person:** No

Published by the GitHub Advisory Database at 12 Nov 2019, 22:59 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

## Affected packages

- `magento/community-edition` (Packagist): affected `>=2.2, <2.2.10 || >=2.3, <2.3.2-p2`; fixed in `2.2.10`, `2.3.2-p2`

## Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

## Severity and exploitation

- 4.9 Medium, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N`, from GitHub Advisory Database

- **CISA KEV:** Not listed.
- **EPSS:** 0.0088, the 59th percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the GitHub Advisory Database, published 12 Nov 2019. New records show when each source confirmed them.

## Sources

- [GitHub Advisory Database: GHSA-427g-2r83-3ccm](https://github.com/advisories/GHSA-427g-2r83-3ccm)
- [OSV: GHSA-427g-2r83-3ccm](https://osv.dev/vulnerability/GHSA-427g-2r83-3ccm)
- <https://nvd.nist.gov/vuln/detail/CVE-2019-8126>
- <https://github.com/FriendsOfPHP/security-advisories/blob/master/magento/product-community-edition/CVE-2019-8126.yaml>
- <https://magento.com/security/patches/magento-2.3.3-and-2.2.10-security-update>

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.

## Check whether this affects you

A Match means an installed version is in the affected range above. Most don’t affect the app; agentprime hasn’t analysed this one yet.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), ask your agent to check the project: `check_lockfile` sends a lockfile, `check_packages` a list of installed packages, and both return the Matches and the upgrades that clear them. `get_advisory` returns this record. Setup: <https://agentprime.io/mcp.md>
- In a browser: <https://agentprime.io/check/> reads your lockfile in the browser, never uploading it.
- Whether it touches your code, with file and line: the Claude Code plugin, <https://agentprime.io/plugin.md>
- As JSON: <https://api.agentprime.io/v1/advisories/GHSA-427g-2r83-3ccm>, or `POST https://api.agentprime.io/v1/match` with your packages (<https://agentprime.io/api.md>)

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The web page: <https://agentprime.io/advisories/GHSA-427g-2r83-3ccm/>. Everything for agents: <https://agentprime.io/llms.txt>.