# Bypassing Sanitization using DOM clobbering in html-janitor

Advisory record · `GHSA-fx46-whrj-73v5`

- **Identifiers:** `GHSA-fx46-whrj-73v5` · `CVE-2017-0928`
- **State:** Confirmed
- **Severity:** CVSS 6.1 Medium
- **Critical:** No
- **Weakness (CWE):** [CWE-547](https://cwe.mitre.org/data/definitions/547.html) · [CWE-642](https://cwe.mitre.org/data/definitions/642.html)
- **Tags:** [CWE-547](https://agentprime.io/advisories/tag/cwe-547.md) · [CWE-642](https://agentprime.io/advisories/tag/cwe-642.md)
- **Published:** 24 Jul 2018
- **Updated:** 8 Nov 2023
- **Reviewed by a person:** No

Published by the GitHub Advisory Database at 24 Jul 2018, 20:06 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

## Affected packages

- `html-janitor` (npm): affected `all versions`; no fixed version yet

## 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

- 6.1 Medium, CVSS 3.0: `CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N`, from GitHub Advisory Database

- **CISA KEV:** Not listed.
- **EPSS:** 0.010, the 63rd percentile, on 5 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 24 Jul 2018. New records show when each source confirmed them.

## Sources

- [GitHub Advisory Database: GHSA-fx46-whrj-73v5](https://github.com/advisories/GHSA-fx46-whrj-73v5)
- [OSV: GHSA-fx46-whrj-73v5](https://osv.dev/vulnerability/GHSA-fx46-whrj-73v5)
- <https://nvd.nist.gov/vuln/detail/CVE-2017-0928>
- <https://github.com/guardian/html-janitor/issues/35>
- <https://hackerone.com/reports/308158>
- <https://github.com/advisories/GHSA-fx46-whrj-73v5>
- <https://www.npmjs.com/advisories/569>

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-fx46-whrj-73v5>, 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-fx46-whrj-73v5/>. Everything for agents: <https://agentprime.io/llms.txt>.