# CVE-2022-1777: Filr - Secure Document Library < 1.2.2.1 - Subscriber+ AJAX Calls

> Authenticated users can upload arbitrary HTML files and delete files due to missing authorization checks in AJAX actions.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 13 Jun 2022
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-9hjh-mf35-j3ff

## What is CVE-2022-1777?

CVE-2022-1777 is a high-severity missing authorization vulnerability in Unknown Filr – Secure document library, published on 13 Jun 2022. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The Filr WordPress plugin before 1.2.2.1 does not have authorisation check in two of its AJAX actions, allowing them to be called by any authenticated users, such as subscriber. They are are protected with a nonce, however the nonce is leaked on the dashboard. This could allow them to upload arbitrary HTML files as well as delete all files or arbitrary ones.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2022-1777?

It affects 1 product.


Products: Filr Project Filr.

## How do I fix CVE-2022-1777?

No fix has been published for CVE-2022-1777 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-1777 being exploited?

There is no known exploitation of CVE-2022-1777 in the wild and no public exploit code.

## Other vulnerabilities in Unknown Filr – Secure document library

- [CVE-2023-5762](https://insights.sbomify.com/CVE-2023-5762/): Filr – Secure document library < 1.2.3.6 - Author+ RCE via file upload with phar ext (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-1777 and fix it if it is affected.

What it is: CVE-2022-1777 is a high-severity missing authorization vulnerability in Unknown Filr – Secure document library, published on 13 Jun 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-1777 in the wild and no public exploit code.

Affected product: Unknown Filr – Secure document library. No package-level version data is available, so check the vendor advisory linked from the reference page.

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-2022-1777/ (Markdown: https://insights.sbomify.com/CVE-2022-1777/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-1777
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-1777
- OSV: https://osv.dev/vulnerability/CVE-2022-1777

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-1777/
Summaries are generated and may contain mistakes; the official description above is the record.