# CVE-2022-34140: Feehi CMS Cross-site Scripting

> Attackers can execute arbitrary scripts via stored XSS in the signup username field of Feehi CMS.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 27 Jul 2022
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-25q6-m425-9fqr

## What is CVE-2022-34140?

CVE-2022-34140 is a medium-severity cross-site scripting vulnerability in n/a, published on 27 Jul 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

A stored cross-site scripting (XSS) vulnerability in /index.php?r=site%2Fsignup of Feehi CMS v2.1.1 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the username field.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2022-34140?

2 open source packages ship an affected version, including feehi/cms. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `feehi/cms` | Packagist | All versions to 2.1.1 | None |
| `feehi/cms` | Packagist | All versions to 2.1.1 | None |

Products: Feehi Feehi Cms.

## How do I fix CVE-2022-34140?

No fix has been published for CVE-2022-34140 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-34140 being exploited?

There is no known exploitation of CVE-2022-34140 in the wild and no public exploit code.

Public exploit code:

- Feehi CMS 2.1.1 - Stored Cross-Site Scripting (XSS) (exploitdb)
- Feehi CMS 2.1.1 - Remote Code Execution (Authenticated) (exploitdb)

## Other vulnerabilities in n/a

- [CVE-2021-30108](https://insights.sbomify.com/CVE-2021-30108/): Server-Side Request Forgery in Feehi CMS (critical 9.1)
- [CVE-2022-34971](https://insights.sbomify.com/CVE-2022-34971/): Feehi CMS arbitrary code execution via crafted PHP file (high 8.8)
- [CVE-2020-22643](https://insights.sbomify.com/CVE-2020-22643/): Feehi CMS arbitrary file upload vulnerability (high 7.2)
- [CVE-2022-38796](https://insights.sbomify.com/CVE-2022-38796/): Feehi CMS host header injection vulnerability (medium 6.1)
- [CVE-2020-21146](https://insights.sbomify.com/CVE-2020-21146/): Feehi CMS vulnerable to Cross-site Scripting in Username Field (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-34140 and fix it if it is affected.

What it is: CVE-2022-34140 is a medium-severity cross-site scripting vulnerability in n/a, published on 27 Jul 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2022-34140 in the wild and no public exploit code.

Affected packages and fixed versions:
- feehi/cms (Packagist): affected all versions up to 2.1.1; no fix listed
- feehi/cms (Packagist): affected all versions up to 2.1.1; no fix listed

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-2022-34140/ (Markdown: https://insights.sbomify.com/CVE-2022-34140/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-34140
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-34140
- OSV: https://osv.dev/vulnerability/CVE-2022-34140

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-34140/
Summaries are generated and may contain mistakes; the official description above is the record.