# CVE-2020-7763: Arbitrary File Read

> An attacker can read arbitrary files from the server by exploiting a path traversal vulnerability in the phantom-html-to-pdf library.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:U/RC:C`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 5 Nov 2020
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-6h7f-qwqm-35pp, SNYK-JS-PHANTOMHTMLTOPDF-1023598

## What is CVE-2020-7763?

CVE-2020-7763 is a high-severity path traversal vulnerability in phantom-html-to-pdf, published on 5 Nov 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

This affects the package phantom-html-to-pdf before 0.6.1.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)

## Which versions are affected by CVE-2020-7763?

2 open source packages ship an affected version, including phantom-html-to-pdf. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `phantom-html-to-pdf` | npm | All versions | 0.6.2 |
| `phantom-html-to-pdf` | npm | All versions | 0.6.2 |

Products: Jsreport Phantom-Html-to-Pdf.

## How do I fix CVE-2020-7763?

Upgrade phantom-html-to-pdf to 0.6.2 or later.

## Is CVE-2020-7763 being exploited?

There is no known exploitation of CVE-2020-7763 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-7763 and fix it if it is affected.

What it is: CVE-2020-7763 is a high-severity path traversal vulnerability in phantom-html-to-pdf, published on 5 Nov 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2020-7763 in the wild and no public exploit code.

Affected packages and fixed versions:
- phantom-html-to-pdf (npm): affected all versions; fixed in 0.6.2
- phantom-html-to-pdf (npm): affected all versions; fixed in 0.6.2

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2020-7763/ (Markdown: https://insights.sbomify.com/CVE-2020-7763/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-7763
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-7763
- OSV: https://osv.dev/vulnerability/CVE-2020-7763

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-7763/
Summaries are generated and may contain mistakes; the official description above is the record.