# CVE-2023-6953: PDF Generator For Fluent Forms <= 1.1.7 - Cross-Site Scripting

> Stored XSS in PDF Generator for Fluent Forms allows script injection via form parameters, impacting users if form creation rights are granted to lower-privilege roles.

- **Severity:** Medium 4.9 (`CVSS:3.1/AV:N/AC:H/PR:L/UI:N/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:** Not needed
- **Fix available:** No
- **Published:** 5 Feb 2024
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-444j-ccxr-jrr5

## What is CVE-2023-6953?

CVE-2023-6953 is a medium-severity cross-site scripting vulnerability in wpmanageninja Fluent PDF Generator, published on 5 Feb 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The PDF Generator For Fluent Forms – The Contact Form Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the header, PDF body and footer content parameters in all versions up to, and including, 1.1.7 due to insufficient input sanitization and output escaping. This makes it possible for attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The exploitation level depends on who is granted the right to create forms by an administrator. This level can be as low as contributor, but by default is admin.

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

## Which versions are affected by CVE-2023-6953?

It affects 1 product.


Products: Wpmanageninja Pdf Generator for Fluent Forms.

## How do I fix CVE-2023-6953?

No fix has been published for CVE-2023-6953 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-6953 being exploited?

There is no known exploitation of CVE-2023-6953 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-6953 and fix it if it is affected.

What it is: CVE-2023-6953 is a medium-severity cross-site scripting vulnerability in wpmanageninja Fluent PDF Generator, published on 5 Feb 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-6953 in the wild and no public exploit code.

Affected product: wpmanageninja Fluent PDF Generator. 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-2023-6953/ (Markdown: https://insights.sbomify.com/CVE-2023-6953/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-6953
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-6953
- OSV: https://osv.dev/vulnerability/CVE-2023-6953

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-6953/
Summaries are generated and may contain mistakes; the official description above is the record.